| Regimental number | 16198 |
| Date of birth | 4 November 1893 |
| Place of birth | Broken Hill, New South Wales |
| School | Scotch College, Melbourne |
| Religion | Presbyterian |
| Occupation | Student |
| Address | Auburn, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, H H Schlapp, 37 Harcourt Street, Auburn, Victoria |
| Enlistment date | 22 October 1917 |
| Date of enlistment from Nominal Roll | 2 October 1917 |
| Rank on enlistment | Mechanical Transport Driver |
| Unit name | Mechanical Transport Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 11 May 1917 |
| Rank from Nominal Roll | MT DVR |
| Unit from Nominal Roll | 2nd Australian Siege Battery |
| Fate | Returned to Australia 5 April 1919 |
| Family/military connections | Brother: 16199 Mechanical Transport Driver Henry Robert SCHLAPP, Motor Transport Reinforcements, returned to Australia 28 February 1919. |
| Date of death | 29 December 1971 |
| Place of burial | Kew Cemetery, Melbourne, Victoria |