14 A HALF-CENTURY OF BIOCHEMICAL DISCOVERY VOL. 12 (1953) 



1942 In vitro Pasteur Reaction with hexosediphosphate and yeast zymohexase. 



1943 Crystallization of the reducing fermentation enzyme from tumors and com- 

 parison with the homologous crystallized fermentation enzyme from muscle. 



1943 Fermentation enzymes in the blood of tumor-bearing animals. 



1944 Quinone and green grana. 



1946-1947 "Heavy Metals as Active Groups of Enzymes'''' and "Hydrogen-Transferring 

 Enzymes'". Arbeitsgemeinschaft Medizinischer Verlage, Berlin, 1946 and 

 1947. 



1948 The manometric actinometer. 



1949 (With Dean Burk) Maximum efficiency of photosynthesis. 



1950 Dean Burk and Otto Warburg. The one-quantum reaction and energy 

 cycle in photosynthesis. 



1951 Crystallization of the hemin of iron-oxygenase. 



1952 Zymohexase and ascites tumor cells. 



1953 Chemical constitution of the hemin of iron-oxygenase. 



