Einstein: His Life and Universe

4

. Folsing, 203; Einstein to Maurice Solovine, Apr. 27, 1906; Einstein tribute to Planck, 1913, CPAE 2: 267.

5

. Max Planck to Einstein, July 6, 1907; Hoffmann 1972, 83.

6

. Max Laue to Einstein, June 2, 1906.

7

. Hoffmann 1972, 84; Seelig 1956a, 78; Folsing, 212.

8

. Arnold Sommerfeld to Hendrik Lorentz, Dec. 26, 1907, in Diana Kormos Buchwald, “The First Solvay Conference,” in

Einstein in Context

(Cambridge, England: Cambridge University Press, 1993), 64. Sommerfeld is referring to the German physicist Emil Cohn, an expert in electrodynamics.

9

. Jakob Laub to Einstein, Mar. 1, 1908.

10

. Swiss Patent Office to Einstein, Mar. 13, 1906.

11

. Mileva Mari

to Helene Savi

, Dec. 1906.

12

. Einstein, “A New Electrostatic Method for the Measurement of Small Quantities of Electricity,” Feb. 13, 1908, CPAE 2: 48; Overbye, 156.

13

. Einstein to Paul and/or Conrad Habicht, Aug. 16, Sept. 2, 1907, Mar. 17, June, July 4, Oct. 12, Oct. 22, 1908, Jan. 18, Apr. 15, Apr. 28, Sept. 3, Nov. 5, Dec. 17, 1909; Overbye, 156–158.

14

. Einstein, “On the Inertia of Energy Required by the Relativity Principle,” May 14, 1907, CPAE 2: 45; Einstein to Johannes Stark, Sept. 25, 1907.

15

. Einstein to Bern Canton Education Department, June 17, 1907, CPAE 5: 46; Folsing, 228.

16

. Einstein 1922c.

17

. Einstein, “Fundamental Ideas and Methods of Relativity Theory,” 1920, unpublished draft of a paper for

Nature

magazine, CPAE 7: 31. The phrase he used was “glucklichste Gedanke meines Lebens.”

18

. “Einstein Expounds His New Theory,”

New York Times

, Dec. 3, 1919.

19

. Bernstein 1996a, 10, makes the point that Newton’s thought experiments involving a falling apple and Einstein’s involving an elevator “were liberating insights that revealed unexpected depths in commonplace experiences.”

20

. Einstein 1916, chapter 20.

21

. Einstein, “The Fundaments of Theoretical Physics,”