Gunnar Bech
Gunnar Bech was a Danish linguist. His magnum opus was Studies on the German Verbum Infinitum. It is perhaps the most widely cited single work on the German verb.
Partial list of written works
Zur Syntax des tschechischen Konjunktivs. Kopenhagen 1951, at the same time: Phil. Diss. Das germanische reduplizierte Präteritum, Munksgaard København, 1969.*