Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following individual:

Lived: 1821 - 1902
A founder of both pathology and social medicine, they correctly identified that diseases are caused by malfunctioning cells, named leukemia, and was the first to catalog and name conditions such embolism, thrombosis, chordoma, and ochronosis.
Erwin Chargaff
Barbara McClintock
Rudolf Virchow
Werner Heisenberg