Then in 1883 a man named Adolf Hurwitz he came to the same university so him and David became friends also. On February 1885 he defended two propositions in public disputation one of David's one of propositions was an physics and the other one in philosophy that was the last stage of his doctorate. Then was awarded he spent a month following the award of his doctorate taking and passing the staatsexamen so that he could teach at the Gymnasium. After he went back to Konigsberg he was a member of the staff from 1886 to 1895 being a privatdozent until 1892. Then became a Extraordinary professor for a year before he became a full professor in 1893. David took a trip to Gottigenn when he got back he married his second cousin Kathe Jeroseh on October 12 1892. Then the two had a son named Franz Hilbert born on August 27th 1893. In 1930 David retired but only for a few years later in 1933 life in Gottingen got bad Nazis came to power and Jewish teachers were gone. So David started teaching for Jews who needed it. after he was done with that one day he fell and broke his arm that really stopped him from doing anything else it had a huge impact on his death a year later. He finally passed away on February 14 1943 David Hilbert was a big impact in the 20th century he was one of the best mathematicians during those