Peter Cornelius Claussen, born in 1944, studied art history, classical archaeology, and prehistoric archaeology in Tübingen, Marburg, Bonn, and Mainz. In 1973, he earned his doctorate with a thesis on Chartres Cathedral. In 1974/75, he was awarded a scholarship at the Bibliotheca Hertziana in Rome. Subsequently, he worked as a scientific assistant at the University of Heidelberg under Hans Belting. In 1981, he received his habilitation at the University of Heidelberg with a monograph titled "Magistri Doctissimi Romani," dedicated to the so-called Cosmati. From 1982 to 1987, he held a professorship in Art History at the University of Frankfurt, and in 1986/87, he was a guest professor at the Bibliotheca Hertziana in Rome. From 1987 to 2009, he was a professor of Medieval Art History at the University of Zurich. In 1993, he underwent a heart transplant. His research focuses on several themes: art during the time of Frederick II, medieval goldsmithing, Chartres and Gothic sculpture, the role and the signature of the medieval artist, the works of Holbein, Dürer, visions in art, and outsider art. His main area of interest remains Rome and the Corpus of Churches in Rome between 1050 and 1300.

Graduated from the University of Pavia with a degree in Humanities with a historical-artistic specialisation, she obtained a diploma from the Lombardy Interuniversity School of Specialization for Secondary Education. She collaborated with the Cultural Heritage Office of Pavia on projects related to catalogue ecclesiastical works. Additionally, she has obtained several second-level university master’s degrees in media science and technology, history, language education, literature education, and linguistics. She has taught at various high schools in Lombardy and Bavaria, as well as at Friedrich-Alexander University Erlangen-Nuremberg. At the same university, she participated in courses offered by the Interdisciplinary Center for Medieval and Renaissance Studies (IZEMIR) and contributed to the development of the course "L'italiano dell'arte, dell'archeologia e dell'architettura" (both online and blended learning), funded by the Virtuelle Hochschule Bayern (VHB). She earned her doctoral degree in art history from the University of Zurich (UZH) with a thesis focused on the architecture, decoration, and furnishings of female monasteries, under the guidance of Professor Carola Jäggi. Since September 2024, she has been involved in research funded by the Swiss National Science Foundation (FNS) titled "Die Kirchen Roms im Mittelalter 1050-1300 (Corpus Cosmatorum II)".

Bianca Hermanin graduated in art history at "La Sapienza" University in 2015 with a thesis on the papal patronage in Early Middle Ages. She worked at the Superintendence for the Architectural Heritage of the Vatican Museums and in 2020 she defended her doctoral thesis about Tiberio Alfarano and the Vatican Basilica. Since 2020 she has been working on the research project funded by the SNF "Die Kirchen Roms im Mittelalter 1050-1300 (Corpus Cosmatorum II)" at the University of Zurich; since october 2024 she is an official at the italian Ministry of Culture.

Michael Langer studied early Christian Archeology, Art History and Catholic Theology at the University of Münster and graduated 2012 with the master thesis "Ein spätantiker Sakralbau in Misis (Mopsuestia) und seine Bodenmosaiken", followed by a PhD in Art History with the thesis "Alt St. Peter. Eine Revision der bauhistorischen Forschung" – defence in 2021, yet to be published. Since 2019 participation in the project "Die Kirchen der Stadt Rom im Mittelalter 1050-1300 – Corpus Cosmatorum"; 2022-2023 he was working for the Cathedral Treasury and Diocesan Museum Osnabrück and since 2023 he works for the project "Digitalisierung des Christlichen Kulturerbes im Bistum Münster" at the University of Münster.

Art historian, curator and certified art expert. He studied art history and archaeology in Erlangen, Rome and Zurich. He spent two years at the Bibliotheca Hertziana / Max Planck Institute for Art History in Rome for his doctorate, earned in 2023 from the University of Zurich (UZH) under the supervision of Prof. Dr. Carola Jäggi. Currently curator of the Museum Weißes Schloss Heroldsberg and consultant in the management of art collections, the management of art bequests and properties and the establishment of art foundations.

Darko Senekovic, graduated from the University of Zurich in Medieval Latin Philology and Art History; during the studies research assistant in the project "Handbuch zur lateinischen Sprache des Mittelalters" (Prof. Dr. P. Stotz), later collaborating in the project "Hermeneutik und Exegese im Mittelalter" (conducted by Prof. Dr. P. Michel, 1999), teaching courses in Medieval Latin Philology at the University of Zurich (2002-2011), collaborating in the "Fachstelle für Verständnis- und Interpretationsprobleme lateinischer Texte" (University of Zurich, 2006-2020), and being one of the editors of the "Dialogus Petri Alfonsi" (critical edition of the text, project conducted by Prof. Dr. C. Cardelle de Hartmann, 2011-2013); taking part in the SNSF funded research "Corpus Cosmatorum II: Die Kirchen Roms im Mittelalter 1050-1300" since the beginning of the project (2001-2020, from 2020 as external collaborator).

Daniela Mondini is a full professor at the Academy of Architecture in Mendrisio (Università della Svizzera italiana). She studied Art History and History at the University of Zurich and "La Sapienza" in Rome. In 2002, she completed her PhD at the University of Zurich and was certified in 2010. From 2002 to 2005 and again from 2009 to 2010 she was involved in the research project "The Churches of Rome in the Middle Ages" funded by the Swiss National Science Foundation (SNSF). Mondini has lectured at Munich Technical University, the ETH Zurich, the University of Bern and the University of Zurich. In 2010, she was awarded an SNSF assistant professorship at the Università della Svizzera italiana, Accademia di architettura in Mendrisio, where she has been tenured since 2012. Since 2015 she has directed with Carola Jäggi the completion of Corpus Cosmatorum funded by the SNSF. Mondini served as pro-rector of the Università della Svizzera italiana from 2017 to 2020.

Nicola (Nick) Camerlenghi is currently Associate Professor in the Department of the History of Art at Dartmouth College. He received architectural history degrees from Yale University (BA), MIT (SMArchS), and Princeton University (PhD). His specializations include the study of early Christian and medieval architecture, with a focus on the city of Rome. He is particularly invested in approaching these topics through digital tools, such as virtual reality, augmented reality, GIS mapping, 3D modeling, and photogrammetry. His first book, "St. Paul’s Outside the Walls: A Roman Basilica from Antiquity to the Modern Era", was published by Cambridge University Press in 2018. An edited volume entitled "Visualizing Complexities: Practices and Heuristics of Digital Models in Art History" was published in 2024 through Rome’s Bibliotheca Hertziana. He is a principal investigator of the "Mapping Rome" research collaborative. He has been a recipient of grants from Harvard’s Villa I Tatti, the National Endowment for the Humanities, the Mellon Foundation, the Renaissance Society of America, and the Kress Foundation, among others.

Dale Kinney earned her Ph.D. at the Institute of Fine Arts (New York University, USA) in 1975 with a dissertation on "S. Maria in Trastevere from its Founding to 1215" under the direction of Richard Krautheimer. From 1972 to 2010 she taught at Bryn Mawr College (Pennsylvania), where she is now Eugenia Chase Guild Professor in the Humanities Emeritus. Her research has been focused primarily on the art and architecture of medieval Rome, and especially on the reception, interpretation, and reuse of inherited buildings and objects. She has published many studies on spolia, including "Reuse Value: Spolia and Appropriation in Art and Architecture from Constantine to Sherrie Levine", co-edited with Richard Brilliant (2011). Prof. Kinney has held fellowships at the National Gallery of Art (Washington), the American Academy in Rome, and the Institute for Advanced Study, Princeton, and she was Richard Krautheimer Guest Professor at the Bibliotheca Hertziana (Max-Planck-Institut für Kunstgeschichte) in 2008-09. Other honors include the Distinguished Teaching of Art History Award of the College Art Association (2002). She also has been editor of "Gesta" (1997-2000) and book review editor of "Studies in Iconography" (2014-17).

After completing an apprenticeship and working in the chemical industry, he studied art history, history, prehistory and early history, and medieval archaeology. In 1988 he received a Licentiate in Art History from the University of Basel, and subsequently worked as a research assistant at the Chair of Early Art History at the same university. In 1992 he received his doctorate in philosophy, then worked as a senior assistant at the Institute for Monument Preservation in the Department of Architecture at ETH Zurich, interrupted by a research stay as a member of the Istituto Svizzero in Rome. Lecturer in art history at the University of Basel until 2007. Since 2003 has was professor at the Faculty of Architecture of the Technical University of Dresden, where he was dean of studies and coordinator of the postgraduate master's program "Monument Preservation and Urban Development". From 2006 he was director of the Institute for Building History, Architectural Theory and Monument Preservation IBAD. From 2008 to 2023 he has been professor for Monument Preservation and Architectural History at the Faculty of Architecture and Urban Studies at the Bauhaus University Weimar, where he was Vice Rector for Research in 2011-2012, and since 2021 Director of the International Heritage Center IHZ.

Marcello Rechberger studied art history and philosophy in Zurich and Berlin. He completed his bachelor’s degree with a thesis on the Italian painter Giacomo Balla at the University of Zurich. The same university awarded him a master’s degree with a thesis on the pigment Prussian blue. From 2018 to 2024, he worked as a student assistant at the chair of Prof. Dr Carola Jäggi in Zurich for the SNSF funded research project "Die Kirchen Roms im Mittelalter 1050-1300 (Corpus Cosmatorum II)". He is currently preparing for his doctorate.

Sabine Sommerer specialized in Medieval Art History. After studies at the Universities of Basel and Freiburg (D), she was employed as a pre-doctoral research and teaching assistant at the University of Fribourg (CH) and the TU Dresden. After a research stay in Rome with a scholarship of the SNSF and as scientific member of the Swiss Institute in Rome she completed her PhD about the Trecento murals in the Camera d’Amore in Avio, Trentino at the University of Basel. After an exhibition project and a larger monograph in the series "Kunstdenkmäler der Schweiz" she was affiliated with the University of Zurich as a post-doc-assistant from 2013–2020. Two scholarships from the University of Zurich alternated with an invitation as guest researcher at the Bibliotheca Hertziana-Max Planck-Institute, Rome. In 2023 she gained the Venia Legendi in Art History at the University of Zurich, and held deputy professorships in Medieval Art History at the University of Bamberg and the LMU Munich. From 2024–2025 she joined the research group of the Corpus Cosmatorum, before she was elected Cantonal Monument Conservator in the Canton of Basel-Country.

Carola Jäggi studied art history, archaeology and ethnology in Basel, Freiburg and Bonn. She has been involved in archaeological excavation and evaluation projects, had scholarships from the Max Planck society and the SNSF and was a research assistant at the University of Basel, where she also completed her doctorate with a thesis on S. Salvatore in Spoleto. Her habilitation on the location and furnishings of the nuns' choir in the early Clarissan and Dominican convents of Central Europe and Italy was completed at the TU Berlin. From 2002 to 2013 she held the Chair of Christian Archaeology and Art History at the University of Erlangen, and since 2013 she is professor for Medieval Art History and Archaeology of the Early Christian and High and Late Medieval Periods at the University of Zurich.

Sible de Blaauw is Professor Emeritus of Early Christian Art and Architecture at Radboud University in Nijmegen (The Netherlands). He is co-editor of the Reallexikon für Antike und Christentum and member of the Akademie der Wissenschaften und der Literatur in Mainz. After studying History with a focus on the Middle Ages at the University of Groningen, he received his PhD from the University of Leiden in 1987 with a study on architecture and liturgy in the main Early Christian churches of Rome. From 1994 to 2001 he was vice-director of the Royal Netherlands Institute in Rome and from 2002 to 2016 he taught at Radboud University. His research focuses on the material and artistic history of Christian Rome, the interaction between architecture and liturgy, the history of the reception of early Christian monuments as well as the religious heritage of the Netherlands.

Almuth Klein – graduate of the Johannes-Gutenberg-Universität Mainz in medieval art history ("Die Abteikirche Sant'Antimo/Montalcino"), prof. Dethard von Winterfeld 2009: doctorate at the Universität Basel ("Funktion und Nutzung der Krypta im Mittelalter. Heiligsprechung und Heiligenverehrung am Beispiel Italien'), prof. Beat Brenk – worked from 2009-2014 on the research project on Baroque cupboards and dressers for a catalogue raisonné of the collection of the Germanisches Nationalmuseum, Nürnberg and on the realisation of the congress 'CIHA2012. Die Herausforderung des Objekts/The Challenge of the Object" in the same museum; since 2015, scientific collaborator in the project "Die Kirchen der Stadt Rom im Mittelalter 1050-1300 (Corpus Cosmatorum II" at the Accademia di architettura, Mendrisio (USI), Prof. Daniela Mondini (ISA).

Giorgia Pollio, graduated from the University of Rome "La Sapienza" in History of Medieval Art; graduated from the School of Specialisation in History of Medieval and Modern Art at the same University; collaborated with the University of Udine, Prof. V. Pace, (Dept. of History and Protection of Cultural Heritage), on the project to update E. B. Garrison's Index. Garrison of 1949; since 2015: she has been collaborating on the SNSF-funded research "Die Kirchen Roms im Mittelalter 1050-1300 (Corpus Cosmatorum II)" at the Academy of Architecture, Mendrisio (USI), Prof. Daniela Mondini (ISA); she is enrolled in the doctoral course at the same University with a thesis entitled "'Survivals, reviviscences, imports' Studies on patronage and artistic production in Rome and in the Patrimonium Petri from the 10th to the 13th century".

Born in 1973 in Leipzig. From 1994 to 1999, he studied in Münster and Siena. Between 1998 and 2000, he was a scientific volunteer at the Westphalian State Museum in Münster. In 2000, he obtained the title of Magister Artium. From 2001 to 2004, he was a doctoral fellow at the Bibliotheca Hertziana. He earned his doctorate in 2005 with a dissertation on Pietro Cavallini at Santa Cecilia in Trastevere, at the University of Münster (WWU). Between 2005 and 2006, he collaborated with scientific tasks at the Photographic Collection of the Bibliotheca Hertziana. From 2006 to 2008, he was a research fellow in the project "The Churches of the City of Rome in the Middle Ages 1050–1300 (Corpus Cosmatorum)" at the University of Zurich (UZH). During the same period, he trained as a scientific librarian at the Humboldt University of Berlin (HU). Since 2009, he has been a scientific collaborator at the Bibliotheca Hertziana.

Studied Art History and Classical Archaeology at the University of Zurich and at the University "La Sapienza" in Rome; 2015 Master's degree; 2015-2021 and 2023-present she is a scientific collaborator on the SNSF-funded project "Die Kirchen der Stadt Rom im Mittelalter 1050-1300" (University of Zurich, Prof. Dr. Carola Jäggi/University of Italian Switzerland, Mendrisio, Prof. Dr. Daniela Mondini).