Gimson held this office until 1941 and he gained the rank of class one officer in 1938.

He gained the rank of Colonel on 4 June 1813.

One year later he gained the military rank of Lieutenant General.

By the time the war ended that year, he had gained the rank of lieutenant.

Then in 1917 he gained the rank of full professor.

He took up surveying after service in the British army, gaining the rank of lieutenant.

He eventually gained the rank of lieutenant colonel in August 1943.

He served as a doctor and gained the rank of Major.

Then he gained the rank of full professor in 1897 at Greifswald.

In addition, he gained the diplomatic rank of an attaché.