| Place of birth | Heidelberg, Victoria |
| Place of birth | St. Kilda, Victoria |
| School | Church of England Grammar School, Melbourne, Victoria |
| Other training | Accountancy |
| Religion | Jewish |
| Occupation | Tanner |
| Address | 382 384 Lonsdale Street, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | R Hallenstein, Woonsocket, Barkly Street, St Kilda, Victoria |
| Previous military service | Lt in the 64th City of Melbourne Regiment |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 5th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/22/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Unit from Nominal Roll | 5th Machine Gun Battalion |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Peronne Communal Cemetery Extension (Plot IV, Row E, Grave No. 14), France |
| Panel number, Roll of Honour, Australian War Memorial | 176 |
| Miscellaneous information from cemetery records | Parents: Reuben and Lucie HALLENSTEIN, 382-284 Lonsdale Street, Melbourne |
| Family/military connections | Cousins: Lt. Grant Michaelis, Royal Engineers; Acting Sergeant Frank M Michaelis, 6th Army Field Artillery Brigade |