Events
1956 - The IBM RAMAC 305, the first commercial computer that used magnetic disk storage, is introduced.
Births
1906 - Max Delbrück, German biologist and Nobel laureate
1913 - Stanford Moore, American chemist and Nobel laureate
Deaths
1784 - César-François Cassini de Thury, French astronomer
1852 - William MacGillivray, Scottish naturalist and ornithologist
1977 - Jean Rostand, French biologist
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Births