Joseph Leo Koerner is a respected scholar and art historian and is currently the Victor S. Thomas Professor of the History of Art and Architecture at Harvard. For nearly three decades, he has taught art history and studies in modern art at Harvard University, the University of Frankfurt, University College London, and Courtauld Institute of Art. He has organized numerous exhibitions at Harvard and has produced several documentaries. Koerner has received numerous fellowships, including a Guggenheim Fellowship and the Walter Channing Cabot Fellow for 2017–2018. He is the author of a number of books in his disciplines. His newest book, Bosch and Bruegel: From Enemy Painting to Everyday Life, is a study of Dutch artists Hieronymus Bosch and Pieter Bruegel the Elder that makes the case that the two are the starting point of genre painting.  

Bosch and Bruegel review from the Guardian

Viennese Interior: "The Kiss" lecture