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 ...

The “total fertility rate” is a coarse estimate of the number of children an average woman will bear. A population will be ...

Chris Farrell: So it’s famed biologist and environmentalist Paul Ehrlich, and he predicted population growth would deplete the planet’s resources, and the increasing scarcity of resources ...

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 ...

In his new book, he combines his... Paul R. Ehrlich, Author, Paul R. Ehlrich, Author, Anne H. Ehrlich, With Simon & Schuster $18.95 (320p) ISBN 978-0-671-68984-1 The Ehrlichs, articulate and ...

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 ...

Dr Paul Ehrlich is Bing Professor of Population Studies, President of the Center for Conservation Biology, Department of Biology, Stanford University and Adjunct Professor, University of ...