Passage: Marga Faulstich (16 June 1915 – 1 February 1998) was a German glass chemist. She worked for Schott AG for 44 years. During this time, she worked on more than 300 types of optical glasses. Forty patents were registered in her name. She was the first woman executive at Schott AG.

Question: What was Marga Faulstich's profession?
glass chemist