INDEX Page numbers in italics indicate editorial apparatus page numbers followed by a lowercase “n” indicate endnotes to Einstein documents page numbers followed by a lowercase “a” indicate references to the Calendar of Abstracts. References are collected under the appro- priate English heading. Certain institutions, organizations, and concepts that have no stan- dard English translation are listed under their foreign designation (with cross-references from an English translation). For the meaning of abbreviations, see the List of Abbrevia- tions. An Index of Citations follows the main index. Aarau Cantonal School, Class of 1895, 25th anniversary of, welcome to AE, 350 Aardenne, Gijsbert van (1888–1983), 58, 75 Abraham, Max (1875–1922), 455 as candidate for professorship at Technical University of Aachen, 149 Academy of Sciences of Zaragoza. See Zaragoza Acceleration, absolute vs. relative, 884 Actien Gesellschaft für Anilin Fabrikation, con- tributes to Einstein-Spende, 817a Adams, Edwin (1878–1956), 147, 263n receives manuscript of Einstein 1922c, 253 Action-at-a-distance, forces, 476 Addition of velocities, Quint on, 797a Adiabatic hypothesis, 511 Adler, Cyrus (1863–1940), 726 Adler, Friedrich (1879–1960), 267, 268n Aerial prospecting for water and ore, 49 Aguilar, Florestán, 586n Aichi, Keiichi (1880–1923), 321n, 548, 570n, 571n, 601n Akademische Verlagsgesellschaft, 196n Akita, Chugi, 407, 828a on AE’s foreword to Japanese collection of pa- pers, 508, 510, 816a on planned lunch with AE and EE at Japanese Embassy, 820a Al Qantarah, 557, 561 Alcobe, Eduardo, 583n Alexander, Jerome, asks AE to co-author book on colloids, 823a Alfonso XIII, King of Spain (1886–1941), lxx, 585n, 728, 729 Allbright, William, 578n Allgemeine Elektricitätsgesellschaft contributes to Einstein-Spende, 817a legal dispute with Sannig & Co., 88 Allgemeine Transportgesellschaft, on AE’s lug- gage, 583n, 831a Alumni Association of Engineers and Architects, Spain. See Asociación de Alumnos de Ingeni- eros y Arquitectos de España Álvarez-Ude, Jose, on Spanish edition of Ein- stein 1917a, Einstein 1921c, Einstein 1922c, 818a, 819a American Jewish Physicians Committee, visit of, 329n American Philosophical Association, funds phi- losophy books and journals for European li- braries, 810a Ampère’s molecular currents and superconduc- tivity, 174 Amsler & Ruthardt, on autographing AE’s por- traits, 798a, 800a, 805a, 822a, 823a, 824a Amsterdam, AE on, 289 Anschütz & Co., legal dispute with Gesellschaft für nautische Instrumente, 212, 223, 254, 260, 271, 343–344, 377, 386, 412, 414, 795a, 796a AE on, 383 Kreiselbau (Franz Drexler), 95–96