Who else discovered natural selection at the time Darwin was ready to publish his theory?

Question

Quizplus · Accepted Answer

Alfred Russel Wallace independently discovered the concept of natural selection while on an expedition in Southeast Asia, and he sent his findings to Darwin. This prompted Darwin to finally publish his own work on the theory of evolution by natural selection. Mendel's work on genetics was not formally recognized until after his death, and Watson is known for his work on the structure of DNA, not evolution.

Who Else Discovered Natural Selection at the Time Darwin Was