Question: A pioneer in the field of eye witness research?
Disambiguated questions and answers: question: Who was a female pioneer in the field of eyewitness research?
Who was a prominent German-American pioneer in eyewitness testimony in the 20th century?
answer: Elizabeth Fishman
Elizabeth F. Loftus
Elizabeth Loftus
Hugo Münsterberg
Natural Questions answer: Hugo Münsterberg (from the Wikipedia article "Eyewitness testimony")