Einstein (122 page)

37
. Overbye, 201. Einstein’s quote is from a letter to Carl Seelig, May 5, 1952.

38
. Reiser, 126.

39
. Highfield and Carter, 145.

40
. Einstein to Elsa Einstein Löwenthal, Apr. 30, 1912; regarding her keeping the letters, CPAE 5: 389 (German edition), footnote 12.

41
. Einstein to Elsa Einstein, Apr. 30, 1912; Einstein “scratch notebook,” CPAE 3 (German edition), appendix A; CPAE 5: 389 (German edition), footnote 4.

42
. Einstein to Elsa Einstein, May 7 and 12, 1912.

43
. Einstein to Michele Besso, May 13, 1911; Einstein to Hans Tanner, Apr. 24, 1911; Einstein to Alfred and Clara Stern, Mar. 17, 1912.

44
. Mileva Mari
to Helene Savi
, Dec. 1912, in Popovi
, 106.

45
. Willem Julius to Einstein, Sept. 17, 1911; Einstein to Willem Julius, Sept. 22, 1911.

46
. Heinrich Zangger to Ludwig Forrer, Oct. 9, 1911; CPAE 5: 291 (German edition), footnote 2; CPAE 5: 305 (German edition), footnote 2.

47
. Einstein to Heinrich Zangger, Nov. 15, 1911.

48
. Einstein to Willem Julius, Nov. 16, 1911.

49
. Marie Curie, letter of recommendation, Nov. 17, 1911; Seelig 1956a, 134; Fölsing, 291; CPAE 5: 308 (German edition), footnote 3.

50
. Henri Poincaré, letter of recommendation, Nov. 1911; Seelig 1956a, 135; Galison, 300; Fölsing, 291; CPAE 5: 308 (German edition), footnote 3.

51
. Einstein to Alfred and Clara Stern, Feb. 2, 1912.

52
. Articles appeared in Vienna’s weekly paper
Montags-Revue
on July 29, 1912, and Prague’s
Prager Tagblatt
on May 26 and Aug. 5, 1912. CPAE 5: 414 (German edition), footnotes 2, 3, 11; Einstein statement, Aug. 3, 1912.

53
. Einstein to Ludwig Hopf, June 12, 1912.

54
. Overbye, 234, 243; Highfield and Carter, 153; Seelig 1956a, 112.

55
. In a letter from Einstein to Elsa Einstein, July 30, 1914, he recalls how she kidded him for including his new address in the May 7, 1912, letter in which he declared they must quit corresponding.

56
. Einstein to Elsa Einstein, ca. Mar. 14, 1913.

57
. Einstein to Elsa Einstein, Mar. 23, 1913.

58
. Seelig 1956a, 244; Levenson, 2; CPAE 5: 451 (German edition), footnote 2; Clark, 213; Overbye, 248; Fölsing, 329. The editors of the collected papers use the white handkerchief, based on a letter by Nernst’s daughter, while other accounts use the red rose, based on the account that Seelig was given.

59
. Max Planck, Walther Nernst, Heinrich Rubens, and Emil Warburg to the Prussian Academy, June 12, 1913, CPAE 5: 445.

60
. Seelig 1956a, 148.

61
. Einstein to Jakob Laub, July 22, 1913.

62
. Einstein to Paul Ehrenfest, late Nov. 1913.

63
. Einstein to Hendrik Lorentz, Aug. 14, 1913.

64
. Einstein to Heinrich Zangger, June 27, 1914, CPAE 8: 5a, released in 2006 and published as a supplement to CPAE vol. 10.

65
. Einstein to Elsa Einstein, July 14, 19, before July 24, and Aug. 13, 1913.

66
. Einstein to Elsa Einstein, after Aug. 11, 1913.

67
. Einstein to Elsa Einstein, after Aug. 11 and Aug. 11, 1913.

68
. Eve Curie,
Madame Curie
(New York: Doubleday, 1937), 284; Fölsing, 325; Highfield and Carter, 157.

69
. The baptism took place at the St. Nicholas Church in Novi Sad on Sept. 21, 1913. Hans Albert Einstein to Dord Krstic, Nov. 5, 1970; Elizabeth Einstein, 97; Highfield and Carter, 159; Overbye, 255; Einstein to Heinrich Zangger, Sept. 20, 1913; Seelig 1956a, 113.

70
. Einstein to Elsa Einstein, Oct. 10, 1913.

71
. Einstein to Elsa Einstein, Oct. 16, 1913.

72
. Einstein to Elsa Einstein, before Dec. 2, 1913.

73
. Einstein to Elsa Einstein, after Dec. 21 and Aug. 11, 1913.

74
. Einstein to Elsa Einstein, after Dec. 21, 1913.

75
. Einstein to Elsa Einstein, after Feb. 11, 1914; Lisbeth Hurwitz diary, cited in Overbye, 265.

76
. Marianoff, 1; Einstein to Mileva Mari
, Apr. 2, 1914.

77
. Einstein to Paul Ehrenfest, ca. Apr. 10, 1914; Paul Ehrenfest to Einstein, ca. Apr. 10, 1914; Highfield and Carter, 167.

78
. Whitrow, 20.

79
. Einstein to Heinrich Zangger, June 27, 1914, CPAE 8: 16a, made available in 2006 and printed in a supplement to vol. 10.

80
. Einstein, Memorandum to Mileva Mari
, ca. July 18, 1914, CPAE 8: 22. See also appendix, CPAE 8b (German edition), p. 1032, for a memo from Anna Besso-Winteler to Heinrich Zangger, Mar. 1918, about the Einstein breakup.

81
. Einstein to Mileva Mari
, ca. July 18 and July 18, 1914.

82
. CPAE 8a: 26 (German edition), footnote 3; memo from Anna BessoWinteler to Heinrich Zangger, Mar. 1918, CPAE 8b (German edition), p. 1032; Overbye, 268.

83
. Einstein to Elsa Einstein, July 26, 1914.

84
. Einstein to Elsa Einstein, after July 26, 1914.

85
. Einstein to Elsa Einstein, July 30, 1914 (two letters); Michele Besso to Einstein, Jan. 17, 1928 (recalling the breakup); Pais 1982, 242; Fölsing, 338.

86
. Einstein to Elsa Einstein, after Aug. 3, 1914.

87
. Einstein to Mileva Mari
, Sept. 15, 1914, contains the poisoning allegation. Many other letters in 1914 detail their struggle over money, furniture, and treatment of the children.

CHAPTER NINE: GENERAL RELATIVITY

1
. Renn and Sauer 2006, 117.

2
. The description of the equivalence principle follows the formulation that Einstein used in his yearbook article of 1907 and his comprehensive general relativity paper of 1916. Others have subsequently modified it slightly. See also Einstein, “Fundamental Ideas and Methods of Relativity Theory,” 1920, unpublished draft of a paper for
Nature
magazine, CPAE 7: 31.