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.
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