Ackermann, Alfred
born 31. January 1857 in Leipzig; died 18. February 1941 in LeipzigAhrens, Wilhelm
born 3. March 1872 in Lübz; died 23. May 1927 in RostockPostkarte von Ugo Amaldi an Friedrich Engel vom 26.1.1890
Bologna, 26.1.1890Brief von Ugo Amaldi an Friedrich Engel vom 1.6.1900
Bologna, 1.6.1900Brief von Ugo Amaldi an Friedrich Engel vom 5.7.1900
Mendriso (Tessin), 5.7.1900Beck, Hans
born 16. August 1876 in Zarrendorf; died 24. October 1942 in BonnBrief von Hans Beck an Eduard Study (?) vom 5.2.1905
Hannover, 5.2.1905Bianchi, Luigi
born 18. January 1856 in Parma; died 6. June 1928 in PisaBrief von Luigi Bianchi an Friedrich Engel vom 11.5.1903
Pisa, 11.5.1903Brief von Luigi Bianchi an Friedrich Engel vom 19.2.1907
Pisa, 19.2.1907Brief von Luigi Bianchi an Friedrich Engel vom 5.3.1907
Pisa, 5.3.1907Bieberbach, Ludwig
born 4. December 1886 in Goddelau; died 1. September 1982 in OberaudorfBlaschke, Wilhelm
born 13. September 1885 in Graz; died 17. March 1962 in HamburgBompiani, Enrico
born 12. February 1889 in Rom; died 22. October 1975 in RomCantor, Georg
born 1845 in Sankt Petersburg; died 1918 in Halle (Saale)Brief von Georg Cantor an Friedrich Engel vom 21.2.1900
Halle, 21.2.1900Postkarte von Georg Cantor an Friedrich Engel vom 29.11.1901
Halle, 29.11.1901Brief von Georg Cantor an Friedrich Engel vom 25.1.1911
Halle, 25.1.1911Cartan, Elie
born 9. April 1869 in Dolomieu; died 6. May 1951 in ParisBrief von Élie Cartan an Friedrich Engel vom 27.6.1900
Lyon, 27.6.1900Ansichtskarte von Élie Cartan an Friedrich Engel vom 3.11.1905
Nancy, 3.11.1905Brief von Élie Cartan an Friedrich Engel vom 4.6.1910
Paris, 4.6.1910Cartan, Henri
born 8. July 1904; died 13. August 2008Todesanzeige für Jean Cartan, Sohn von Élie Cartan vom 26.3.1932
Le Chesnay, 26.3.1932Heiratsanzeige von Nicole Weiss und Henri Cartan vom 14.9.1935
Le Chesnay ; Straßburg, 14.9.1935Briefkarte von Henri Cartan an Friedrich Engel vom 30.10.1935
Straßburg, 30.10.1935Cassirer, Ernst
born 28. July 1874 in Breslau; died 13. April 1945 in New York, NYBrief von Ernst Cassirer an Friedrich Engel vom 8.1.1925
Hamburg, 8.1.1925Brief von Ernst Cassirer an Friedrich Engel vom 15.1.1925
Hamburg, 15.1.1925Dyck, Walther von
born 6. December 1856 in München; died 5. November 1934Brief von Walther von Dyck an Eduard Study vom 22.12.1890
München, 22.12.1890Brief von Walther von Dyck an Eduard Study vom 5.1.1891
München, 5.1.1891Brief von Walther von Dyck an Eduard Study vom 8.1.1891
München, 8.1.1891Ebner, Richard
born 6. October 1885 in Guntramsdorf; died 27. December 1961 in WienBrief von Richard Ebner an Eduard Study (?) vom ?.5.1922
Wien, ?.5.1922Egorov, Dmitrij F.
born 22. December 1869 in Moskau; died 10. September 1931 in KasanEngel, Caroline
born 1864 in Cleverns-SandelAnsichtskarte von Friedrich Engel und Caroline Engel an Paul Stäckel vom 8.6.1900
o.O. (Poststempel Schandau), 8.6.1900Engel, Friedrich
born 26. December 1861 in Lugau/Erzgeb.; died 29. September 1941 in GießenBrief von David Hilbert an Friedrich Engel vom 9.5.1885 (?)
Paris, 9.5.1885 (vermutlich fälschlich angegeben)Brief von Otto Hölder an Friedrich Engel vom 6.11.1885
Göttingen, 6.11.1885Engel, Minna
born 8. August 1903 in Leipzig; died 21. November 1922 in GießenAnsichtskarte von Eduard Study an Mietzi Engel vom 9.8.1910
Bonn (Poststempel), 9.8.1910 (Poststempel)García de Galdeano, Zoel
born 5. July 1846; died 28. March 1924Brief von Zoel García de Galdeano an Friedrich Engel vom 19.5.1893
Zaragoza, 19.5.1893Postkarte von Zoel García de Galdeano an Friedrich Engel vom 19.1.1894
Zaragoza (Poststempel), o.D.Brief von Zoel García de Galdeano an Friedrich Engel vom 25.1.1899
Zaragoza, 25.1.1899