31 Euphrosyne [SEP] discoverer or inventor
31 Euphrosyne
Euphrosyne (minor planet designation: 31 Euphrosyne) is the 12th-largest and the 5th-most-massive asteroid in the asteroid belt, discovered by James Ferguson on September 1, 1854. It was the first asteroid found from North America. It is named after Euphrosyne, one of the Charites in Greek mythology. In 2019 a small companion was discovered, making "Euphrosyne" a binary asteroid, secondary diameter 6.7 km.
It is a fairly dark body near the belt's outer edge. Consequently
naturalist (died 1857)
- June 8 – Amalia Assur, Swedish dentist (died 1889)
- July 31 – John Ericsson, Swedish inventor and engineer (died 1889)
- October 3 – John Gorrie, American physician and inventor (died 1855)
- October 6 – Heinrich Wilhelm Dove, Prussian physicist and climatologist (died 1879)
- October 16 – Robert Stephenson, English railway engineer (died 1859)
- November 29 – Christian Doppler, Austrian mathematician and discoverer of the Doppler effect (