| Regimental number | 1679 |
| Place of birth | Mount Morgan, Queensland |
| School | Mount Morgan State School, Queensland |
| Religion | Baptist |
| Occupation | Mill hand |
| Address | Enoggera, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Johannes Langmaack, Ganter Street, Mount Morgan, Queensland |
| Previous military service | Served in the Citizen Military Forces. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 52nd Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/69/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Hawkes Bay on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 52nd Battalion |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 22.6 |
| Age at death from cemetery records | 22 |
| Place of burial | Queant Road Cemetery (Plot VIII, Row C, Grave No. 15), Buissy, France |
| Panel number, Roll of Honour, Australian War Memorial | 155 |
| Miscellaneous information from cemetery records | Parents: Johannes and Annie LANGMAACK, "Kia-Ora", Ganter Street, Mount Morgan, Queensland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |