Van Ingen was born on 8 December 1933 in
Maartensdijk. He studied
German studies,
literary science,
art history and
musicology at
Utrecht University, the
Free University of Berlin and
LMU Munich. He obtained his PhD from
Utrecht University in 1962. Van Ingen published on German and Dutch literature of the 17th century. Van Ingen was elected a member of the
Royal Netherlands Academy of Arts and Sciences in 1978. He died in
Zeist on 27 February 2021. ==References==