1. When did Otto Warburg win Nobel Prize for Medicine?
a) 1923
b) 1931
c) 1924
d) 1926
2. When was Otto Warburg born?
a) 5 February 1877
b) 1 May 1872
c) 8 October 1883
d) 3 August 1881
3. Where was Otto Warburg born?
a) Rostock
b) Essen
c) Potsdam
d) Freiburg im Breisgau