| Intro | South African architect |
| A.K.A. | Hans H. Hallen, Hans Heyerdahl Hallen |
| Is | Architect |
| From | South Africa |
| Type | Engineering |
| Gender | male |
| Birth | 1930, Durban |
| Age: | 90 years |
| Intro | South African architect |
| A.K.A. | Hans H. Hallen, Hans Heyerdahl Hallen |
| Is | Architect |
| From | South Africa |
| Type | Engineering |
| Gender | male |
| Birth | 1930, Durban |
| Age: | 90 years |