John Burdon Sanderson Haldane was a noteworthy British-Indian biologist and geneticist who made significant contributions to the field of evolutionary biology. Synonyms for his name include "J.B.S. Haldane," "John Haldane," and "Burdon Haldane." Haldane's work centered on genetics and natural selection, and he is considered one of the founders of modern evolutionary synthesis. He published numerous papers on his research, and his book "The Causes of Evolution" is regarded as a classic in the field. In addition to his scientific achievements, Haldane was a well-known Marxist and advocate for social justice, writing on topics such as socialism, pacifism, and the dangers of nuclear warfare.