David Lack

British ornithologist and biologist (1910-1973).

Born July 16th, 1910 in London.

Died March 12th, 1973 at 62 years old in Oxford.

Occupations
biologist, ecologist, ornithologist, zoologist
Wikipedia

Death is not the biggest fear we have; our biggest fear is taking the risk to be alive – the risk to be alive and express what we really are. Miguel Angel Ruiz