| Intro | German bryologist & taxonomist |
| A.K.A. | Grolle, Hans-Heinrich Grolle |
| Was |
Biologist Botanist Scientist Bryologist Taxonomist |
| From | United Kingdom |
| Type |
Biology Science |
| Gender | male |
| Birth | 8 August 1934, Wrocław, Lower Silesian Voivodeship, Poland |
| Death |
12 June 2004 (aged 69 years) |
| Star sign | Leo |