Ulbo de Sitter
| Lamoraal Ulbo de Sitter | |
|---|---|
| Born | March 6, 1902 Groningen |
| Died |
May 12, 1980 (aged 78) Nistelrode |
| Residence | Leiden University |
| Citizenship | Dutch |
| Fields | structural geology |
| Known for | structural geology |
Lamoraal Ulbo de Sitter (March 6, 1902, Groningen – May 12, 1980, Nistelrode) was a Dutch geologist at Leiden University, where he was the founder of the school of structural geology. De Sitter was known for his research on the geology of the Alps and Pyrenees. His father was the astronomer Willem de Sitter (1872–1934), and one of his sons was the Dutch sociologist Ulbo de Sitter (1930–2010).
De Sitter studied geology in Switzerland and later at Leiden, where he was a pupil of geologists Karl Martin (1851–1942) and Berend George Escher (1885–1967). He finished his dissertation in 1925 and then got a job at the Bataafsche Petroleum Maatschappij.
After some years he returned to Leiden to become Eschers assistant. De Sitters task was to supervise fieldwork and research in the Bergamo Alps (northern Italy). Except from mapping geological structures De Sitter also did experimental research on the development and origin of geologic structures like faults or ffolds. He worked together on these experiments with Philip Henry Kuenen, an old friend from his student days who would later become a professor at Groningen.
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