On Oct. 3, 1950, three Bell Labs scientists received a patent for a "three-electrode circuit element" that would usher in the transistor age and the era of modern computing.

How did you become interested in the history of science? What led you to become a writer of popular books on science history?

Harvard professor emeritus Everett I. Mendelsohn stands on the Great Wall of China in July 2005. Mendelsohn, known for his pioneering work studying the history of biology and the relationship between ...

The Science History Institute aims to expand knowledge and challenge perspectives in the history of chemistry, engineering, and the life sciences. Through a wide range of programming, the Institute ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...