|Birth||March 7, 1869 Amsterdam,Netherlands|
|Death||(1944-03-07)(aged 74) Auschwitz-Birkenau,German-occupied Poland|
|Died At||Auschwitz-Birkenau,German-occupied Poland|
|Fields||chemistry||Doctoral Advisor||Jacobus Henricus van 't Hoff|
Events Occured in Scienctist Life
In 1893 he became Van't Hoff's assistant and in 1902 he became professor of Physical Chemistry at the University of Utrecht, a position which he held until his retirement in 1939.
In 1913 he became member of the Royal Netherlands Academy of Arts and Sciences.
Following the 29 April 1942 decree that Dutch Jews wear the yellow badge, he was arrested by Nazi police for non-compliance and forced to resign.
He was killed on 6 March 1944 in a gas chamber at Auschwitz concentration camp.