Paul Ehrlich (1854-1915) was born in East Prussia (now Poland), the son of a lottery-office keeper. He went to the University of Leipzig to pursue a career in medicine. By the time he graduated in ...

De-extinction and Animal Welfare. American biologist Paul R. Ehrlich argues that de-extinction scientists should be putting their time into focusing on the current issues the environment is facing ...

This year marks the 100th anniversary of the award of the Nobel Prize for Physiology or Medicine to Paul Ehrlich, in recognition of his contribution to immunology. His impact, however, extended ...

RELEASE THE RECEPTORS: According to Ehrlich’s side-chain theory —depicted here in a diagram used to illustrate his lecture to the Royal Society of London in 1900—immune cells were dotted with a vast ...

Up until the 1950s, one prevailing view among scientists was that the body could not produce antibodies against itself. This concept, known as horror autotoxicus, or the fear of self-toxicity, was ...