• 11/29/2024

Walter Shawlee, the Sovereign of Slide Rules, Is Dead at 73

New York Times

Used by engineers for centuries, they were displaced by pocket calculators and all but forgotten until Mr. Shawlee created a subculture of obsessives and cornered the market.

https://www.nytimes.com/2024/02/08/science/walter-shawlee-dead.html