1897 Sep 9 Born London. His grandfather Theodore Gysser, came from Russia, and was naturalised British in 1875
1901 census at 49, Rodney Street, Clerkenwell
1912 Mar 18. Working on Great Western Railway as an Office Boy
1915 Dec 2 Landed in France
1918 Feb 6 DCM Gazetted
1918 Apr 30 Commissioned 2nd Lt Royal Fusiliers
1919 Nov 1. The undermentioned temp. 2nd Lts. to be
C. W. T. Gysser, D.C.M.,
1920 Jan 1. Temp. Lt. C. W. T. Gysser, D.C.M., relinquishes his commission on completion of service, and retains the rank of Lt.
1920 Dec 6. Joined ADRIC with service no 1178. Posted to B Coy
1921 Jul 1. Lt. Clare William Theodore Gysser, D.C.M., late Serv. Bn., to be Lt,, with seniority 2nd May 1921
1921 Oct/Dec Married in Islington to Lizzie Delderfield
1922 Jan 23. Discharged on demobilisation of ADRIC
1945 Sep 18. R. Fus. War Subs. Capt. C. W. T. GYSSER, D.C.M. (45781) having exceeded the age limit of liability to recall, relinquishes his commn. and is granted the hon. rank of Maj.
1962 Jul/Sep Died in Willesden, Middlesex