Gerhard Heinrich Dieke (1901 in Rheda, Germany – August 26, 1965 in Aberdeen, Scotland) was a German/U.S.
After completing his graduate studies, he worked at the Institute of Physical and Chemical Research in Tokyo and in 1929 he was Dirk Coster's assistant at the University of Groningen in the Netherlands.
Dieke was a man of wide interests, and was an expert on the taxonomy of lady beetles (Coccinellidae).
[1] In 1947 he authored a review of the genus Epilachna based on the collections of the Smithsonian Museum and others.
[2] Dieke was elected a correspondent of the Royal Netherlands Academy of Arts and Sciences in 1952.