345 pages
English language
Published Nov. 11, 1921 by Scientific American Publishing Co..
Einstein's theories of relativity and gravitation
a selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000
a selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000
345 pages
English language
Published Nov. 11, 1921 by Scientific American Publishing Co..