The story
Named after Ehrenfried Walther von Tschirnhaus (1651–1708), German mathematician, physicist, physician, and philosopher. The name was first used in a 1900 paper by R. C. Archibald.
Etymology from Wiktionary, CC BY-SA 4.0.
Tschirnhausen cubic
Today it means: A plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function. Full definition →