Carl Theodor Anger (Danzig, 31 July 1803 – Danzig, 25 March 1858) was a German mathematician and astronomer.[1] He was a student of and assistant to Friedrich Bessel at the Königsberg Observatory from 1827 until 1831.[2] Thereafter, he was appointed as astronomer by the Naturforschende Gesellschaft in Danzig.[3]
Besides his scientific work, especially that related to Bessel functions, he is also known for his first-hand biographical notes on the life of Bessel.