Ancient history

Approximately when did Mendel and Darwin develop their ideas?

Gregor Mendel

- Developed his ideas on heredity in the mid-19th century (around 1856-1865).

- Presented his findings in 1865, but they went largely unnoticed until the early 20th century.

Charles Darwin

- Developed his theory of evolution by natural selection in the mid- to late-19th century (around 1838-1859).

- Published his influential book, "On the Origin of Species," in 1859.