Arthur Eddington - The philosophy of physical science (1939)
6 Sourced Quotes
I believe there are 15,747, 724,136, 275,002, 577,605, 653,961, 181,555, 468,044, 717,914, 527,116, 709,366, 231,025, 076,185, 631,031,296 protons in the universe, and the same number of electrons.Arthur Eddington