Title: Darwin, Marx, Freud, Einstein
First published: 1992
Subjects: Modern Philosophy, Philosophy, Modern, Modern Philosophers
People: Albert Einstein (1879-1955), Charles Darwin (1809-1882), Karl Marx (1818-1883), Sigmund Freud (1856-1939)
Time periods: 19th century, 20th century
LC classification: B804 .S834 1992