gregorygalloway:Richard Feynman (May 11, 1918 – February 15, 1988)
gregorygalloway:Richard Feynman (May 11, 1918 – February 15, 1988) -- source link
#richard feynman
#richard feynman
gregorygalloway:Richard Feynman (May 11, 1918 – February 15, 1988) -- source link