Einstein: His Life and Universe

Science

, May 24, 1940, in Einstein 1954, 329. See also Sartori, 255.

22

. Einstein first used the phrase in a paper he wrote for the

Annalen der Physik

in Feb. 1912, “The Speed of Light and the Statics of the Gravitational Field,” CPAE 4: 3.

23

. Janssen 2002.

24

. The gravitational field would have to be static and homogeneous and the acceleration would have to be uniform and rectilinear.

25

. Einstein, “On the Relativity Principle and the Conclusions Drawn from It,”

Jahrbuch der Radioaktivitat and Elektronik

, Dec. 4, 1907, CPAE 2: 47; Einstein to Willem Julius, Aug. 24, 1911.

26

. Einstein to Marcel Grossmann, Jan. 3, 1908.

27

. Einstein to the Zurich Council of Education, Jan. 20, 1908; Folsing, 236.

28

. Einstein to Paul Gruner, Feb. 11, 1908; Alfred Kleiner to Einstein, Feb. 8, 1908.

29

. Fluckiger, 117–121; Folsing, 238; Maja Einstein, xxi.

30

. Alfred Kleiner to Einstein, Feb. 8, 1908.

31

. Friedrich Adler to Viktor Adler, June 19, 1908; Rudolph Ardelt,

Friedrich Adler

(Vienna: osterreichischer Bundesverlag, 1984), 165–194; Seelig 1956a, 95; Folsing, 247; Overbye, 161.

32

. Frank 1947, 75; Einstein to Michele Besso, Apr. 29, 1917.

33

. Einstein to Jakob Laub, May 19, 1909; Reiser, 72.

34

. Friedrich Adler to Viktor Adler, July 1, 1908; Einstein to Jakob Laub, July 30, 1908.

35

. Einstein to Jakob Laub, May 19, 1909.

36

. Alfred Kleiner, report to the faculty, Mar. 4, 1909; Seelig 1956a, 166; Pais 1982, 185; Folsing, 249.

37

. Alfred Kleiner, report to faculty, Mar. 4, 1909.

38

. Einstein to Jakob Laub, May 19, 1909.

39

. Einstein, verse in the album of Anna Schmid, Aug. 1899, CPAE 1: 49.

40

. Einstein to Anna Meyer-Schmid, May 12, 1909.

41

. Mileva Mari