Johannes Grotjan | |
|---|---|
 Grotjan from a sketch of four of the architects of the Hamburg Rathaus | |
| Born | 18 October 1843 Hamburg, Free City of Hamburg, German Confederation |
| Died | 5 October 1922 (aged 78) Hamburg, Germany |
| Nationality | German |
| Occupation | Architect |
| Buildings |
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Johannes Martin Friedrich Grotjan (18 October 1843, in Hamburg – 5 October 1922, in Hamburg) was a German architect. He was responsible for a large number of the municipal buildings constructed in Hamburg during the late nineteenth and early twentieth centuries, a period of great expansion and rise to global prominence for the city.