Anselm Franz, Austrian engineer (died 1994)

Anselm Franz was a pioneering Austrian jet engine engineer known for the development of the Jumo 004, the world's first mass-produced turbojet engine by Nazi Germany during World War II, and his work on turboshaft designs in the United States after the war as part of Operation Paperclip, including the Lycoming T53, the Honeywell T55, the AGT-1500, and the PLF1A-2, the world's first high-bypass turbofan engine.

January 21 is the 21st day of the year in the Gregorian calendar; 344 days remain until the end of the year.