Question: Which of the developer of STED microscopy is a Romanian-born German physicist and one of the directors of the Max Planck Institute for Biophysical Chemistry in Göttingen, Germany?
Sentence (from "STED microscopy"): It was developed by Stefan W. Hell and Jan Wichmann in 1994, and was first experimentally demonstrated by Hell and Thomas Klar in 1999.
Relevant evidence: Yes