Background
Born in Amsterdam, as the son of the poet, teacher and philologist Anthonie Oudemans Senior, he entered Leiden University when he was just 16 as a student of the noted astronomer Frederik Kaiser.
Astronomer university professor
Born in Amsterdam, as the son of the poet, teacher and philologist Anthonie Oudemans Senior, he entered Leiden University when he was just 16 as a student of the noted astronomer Frederik Kaiser.
Leiden University.
He was the director of the Utrecht Observatory from 1875 until 1898, when he retired. He became a high school teacher in Leiden when he was just 19 (1846). The next six years he worked on his dissertation on the determination of the latitude of Leiden.
Next he studied asteroids and variable stars, meanwhile hoping for an academic appointment.
In the same year he was appointed a professor at Utrecht University and became director of its observatory for the first time. However, his interest drew him towards geography.
In 1874 he observed the Venus transit from the island of Réunion, although in bad weather. In 1889 he published a star map.
Oudemans crater on Mars was named in his honor.
Academy of Sciences 173(1906) 271 (German)
MNRAS 67(1907) 241.
Royal Netherlands Academy of Arts and Sciences.