Question: What was the man whom Dr. Diarmuid Whelan wrote his doctoral thesis on?
Sentence (from "Eva Schönbeck-Temesy"): From January 1 1965 to December 1 1970 Eva worked on a research fellowship and then up until March 30 1973 on an "Arbeitsauftrag" in the botany department of the Natural History Museum, Vienna under the Directorship of Professor Karl Heinz Rechinger.
Relevant evidence: No