Thomas van der Hammen was a Dutch palaeontologist, botanist and geologist. He had published more than 160 works in five languages.
Thomas van der Hammen
The Bogotá savanna, where Van der Hammen did a lot of his work
Schiedam is a city and municipality in the west of the Netherlands. It is located in the Rotterdam–The Hague metropolitan area, west of Rotterdam, east of Vlaardingen, and south of Delft. In the south the city is connected with the village of Pernis by the Beneluxtunnel.
Old city hall of Schiedam
View of Schiedam with The Porters' Guild House
Windmill De Kameel in Schiedam
Jan van Riebeeck, grew up in Schiedam