Sir Gavin Rylands de Beer was a British evolutionary embryologist, known for his work on heterochrony as recorded in his 1930 book Embryos and Ancestors. He was director of the Natural History Museum, London, president of the Linnean Society of London, and a winner of the Royal Society's Darwin Medal for his studies on evolution.
- Occupation
- paleontologist, zoologist, embryologist, university teacher
- Position held
- President of the Linnean Society of London
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- November 1, 1899
- Died