Einstein (125 page)

9
. Einstein to Mileva Mari
, Mar. 12, Apr. 1, 1916; Neffe, 194.

10
. Einstein to Mileva Mari
, Apr. 1 and 8, 1916; Einstein to Michele Besso, Apr. 6, 1916; Michele Besso to Heinrich Zangger, Apr. 12, 1916, CPAE 8: 211 (German edition), footnote 2.

11
. Einstein to Elsa Einstein, Apr. 12 and 15, 1916. See also Einstein to Elsa Einstein, Apr. 10, 1916, in the sealed family correspondence released in 2006, CPAE 8: 211a: “My relationship with him is becoming very warm.”

12
. Einstein to Elsa Einstein, Apr. 21, 1916. See also Einstein to Heinrich Zangger, July 11, 1916: “Following an exceedingly nice Easter excursion, the subsequent days in Zurich brought on a complete chilling in a way that is not quite explicable to me.”

13
. Einstein to Heinrich Zangger, July 11, 1916; Einstein to Michele Besso, July 14, 1916. See CPAE 8: 233 (German edition), footnote 4, for Zangger being the other person referred to in the letter.

14
. Pauline Einstein to Elsa Einstein, Aug. 6, 1916, in Overbye, 301.

15
. Einstein to Michele Besso, July 14, 1916; Michele Besso to Einstein, July 17, 1916; CPAE 8: 239 (German version), footnote 2.

16
. Einstein to Michele Besso, July 21, 1916, two letters.

17
. CPAE 8: 241 (German edition), footnotes 3, 4; Einstein to Heinrich Zangger, July 25, 1916; Heinrich Zangger to Michele Besso, July 31, 1916.

18
. Einstein to Heinrich Zangger, Aug. 18, 1916; Einstein to Hans Albert Einstein, July 25, 1916. See also Einstein to Heinrich Zangger, Mar. 10, 1917.

19
. Einstein to Michele Besso, Aug. 24, 1916; Einstein to Hans Albert Einstein, Sept. 26, 1916.

20
. Hans Albert Einstein to Einstein, before Nov. 26, 1916.

21
. Einstein to Michele Besso, Oct. 31, 1916.

22
. Einstein to Helene Savi
, Sept. 8, 1916.

23
. Einstein, “The Foundation of the General Theory of Relativity,” Mar. 20, 1916, CPAE 6: 30.

24
. Einstein,
On the Special and the General Theory of Relativity
, Dec. 1916, CPAE 6: 42, and many popular editions; Michelmore, 63. For an Internet version of Einstein’s book, see bartleby.com/173/or www.gutenberg.org/etext/5001.

25
. Einstein, “Principles of Research,” 1918, in Einstein 1954, 224.

26
. Einstein to Heinrich Zangger, Jan. 16, 1917; Clark, 241.

27
. Clark, 248; Highfield and Carter, 183; Overbye, 327; Einstein to Paul Ehrenfest, Feb. 14, 1917; Einstein to Heinrich Zangger, Dec. 6, 1917.

28
. Einstein to Michele Besso, Mar. 9, 1917; Einstein to Heinrich Zangger, Feb. 16 and Mar. 10, 1917.

29
. Einstein to Paul Ehrenfest, May 25, 1917.

30
. Einstein to Heinrich Zangger, June 12, 1917.

31
. Einstein to Mileva Mari
, Jan. 31, 1918.

32
. Mileva Mari
to Einstein, Feb. 9, 1918, from family trust correspondence, CPAE 8: 461a, in supplement to vol. 10.

33
. Mileva Mari
to Einstein, after Feb. 6, 1918. The Feb. 9 letter from the family trust correspondence, footnote 32 above, was unsealed in 2006. It clearly
comes before the one that was dated “after Feb. 6” by the Einstein papers editors.

34
. Overbye, 338–339.

35
. Mileva Mari
to Einstein, Apr. 22, 1918.

36
. Einstein to Mileva Mari
, Apr. 15, 23, 26, 1918.

37
. Maja Winteler-Einstein to Einstein, Mar. 6, 1918, family foundation correspondence, unsealed in 2006, CPAE 8: 475b, in supplement to vol. 10.

38
. Einstein to Anna Besso, after Mar. 4, 1918.

39
. Anna Besso to Einstein, after Mar. 4, 1918.

40
. Mileva Mari
to Einstein, before May 23, 1918; Einstein to Mileva Mari
, June 4, 1918. See also Vero Besso (Anna and Michele’s son) to Einstein, Mar. 28, 1918, family trust correspondence: “The postcard you sent to my mother was really not nice . . . Her words would not have offended you in any way if you had heard them yourself; you would just have laughed and would have toned down their sense a little.”