The prize for the year 1920 was awarded to: 
KroGgH, AuGust, professor of soo-physiology at the 
University of Copenhagen, .born 1874; “for his 
discovery of the vegulation of the motor mechanism 
of capillaries.” 
The prize for the year 1921 was allocated in 1922 to 
the special fund for this group of prizes. 
The prize for the yeav 19:2 was, in 1923, equally divi- 
ded between: 
Hirr, ARCHIBALD VIVIAN, professor of physiology at 
the University College, London, born 1886; "for 
his discovery welating to the heat-production of 
muscles’; and 
MeveERHOF, OrTO, professor of physiology at the 
University of Kiel, born 1884; “for his discovery 
of the correlation between the consumption of 
oxygen and the production of lactic acid in the 
muscles.’’ 
The prize for the year 1923 was awarded jointly fo: 
BanTIiNG, FREDERICK GRANT, professor, Toronto, 
Canada, born 1891; and 
MAcLEOD, JoHN James RicHARD, professor of phy- 
siology at the University of Toronto, born 
1866, died 19th March, 1935; “for the discovery 
of insulin.” 
The prize for the year 1924 was awarded to: 
EINTHOVEN, WIiILLEM, professor of physiology at 
Leyden, born 1860, died 29th September, 1927; 
“for his discovery of the mechanism of the electro- 
cardiogram, the significance of this discovery 
having been proved by the investigations of recent 
years.” 
Lhe prize for the year 1925 was allocated in 1926 to 
the special fund for this group of prizes.