L I S T O F T E X T S x v 13. To Paul Ehrenfest, 11 January 1922 14. From Arnold Sommerfeld, 11 January 1922 15. From Felix Ehrenhaft, 12 January 1922 16. To Maurice Solovine, 14 January 1922 17. From Eberhard Zschimmer, 14 January 1922 18. Expert Opinion on Rudolf Goldschmidt’s Patent, after 14 January 1922 “Gutachten zum Amerikanischen Patent Nr 1386329 Goldschmidt” 19. From Richard Courant, 15 January 1922 20. From Michael Polányi, 15 January 1922 21. From Sanehiko Yamamoto, 15 January 1922 22. From Sanehiko Yamamoto, 15 January 1922 23. “To Allgemeine Elektrizitäts-Gesellschaft Berlin. Remarks on an Expert Opinion Prepared for Mr. Sannig,” 16 January 1922 “An die allgemeine Elektrizitäts-Gesellschaft Berlin. Bemerkung zu einem Herren Sannig gelieferten Gutachten” 24. From Paul Ehrenfest, 17 January 1922 25. To Max Born and James Franck, 18 January 1922 26. To David Hilbert, 18 January 1922 27. To Arnold Sommerfeld, on or after 18 January 1922 28. “Response to the Expert Opinion of Hans Wolff in the Legal Dispute between Anschütz & Co. and Kreiselbau,”18 January 1922 “Rückäusserung zu dem Wolffschen Gutachten in Sachen Anschütz contra Kreiselbau” 29. “On an Optical Experiment Whose Result Is Incompatible with the Undulatory Theory,” ca. 19 January 1922 “Über ein optisches Experiment, dessen Ergebnis mit der Undulationstheorie unvereinbar ist” 30. From Paul Ehrenfest, 19 January 1922 31. To Paul Ehrenfest, between 19 and 22 January 1922 32. From Chaim Weizmann, 21 January 1922 33. From Charlotte Weigert, 22 January 1922 34. From Heinrich Zangger, after 23 January 1922 35. From Koshin Murofuse, ca. 26 January 1922 36. To Emile Berliner, 26 January 1922 37. To Paul Ehrenfest, 26 January 1922 38. To Paul Hausmeister, 26 January 1922 39. From Paul Ehrenfest, 26 January 1922 40. From Jun Ishiwara, 26 January 1922