Joachimsthal was a German mathematician.
He was born on March 9, 1818, at Goldberg (Zlotoryja), Silesia and died on April 5, 1861, at Breslau (Wroclaw).
In the year of his graduation (Ph.D., Berlin, 1842) he was appointed teacher at a Realschule in Berlin, and in 1846 was admitted to the philosophical faculty of the university as privatdozent.