J. A. Super Moderator Staff member Mar 28, 2015 #2,826 scifan57 said: View attachment 63622 Click to expand... Einstein must have had an English speaking home help while he was in Zürich, or else he would never have found that formula.
scifan57 said: View attachment 63622 Click to expand... Einstein must have had an English speaking home help while he was in Zürich, or else he would never have found that formula.