Jan Oort, Astronomer

2. Leiden Observatory

8. Brochure Leiden Observatory, with an introduction by J.H. Oort. Honderd jaar Leidse Sterrewacht. Leiden 1965 Oort was born on April 28, 1900, and lived here for three years.

9. The ‘Former Leiden Observatory’ (photograph by Jan Zwart, 1996)

10. J.H. Oort, leaving the main building of Leiden Observatory (1976)

11. Staff of the Leiden Observatory in 1933. Photograph H. Jonker & Zoon)(1) G. van Herk, (2) P.Th. Oosterhoff, (3) C.H.L. Sanders, (4) W.E. Kruytbosch, (5) J. Uitterdijk, (6) C.H.Hins, (7) A.J. Wesselink, (8) H.A. Kluyver, (9) G.P. Kuiper, (10) J.H. Oort, (11) A. de Sitter, (12) C.H. de Nie, (13) H. Kleibrink, (14) P.P. Bruna, (15) E. Hertzsprung, (16) J.M. Kriest, (17) M.D. Schepper, (18) B.C. Mekking, (19) L. Gaykema, (20) J.C. Gaykema, (21) P. de Haan, (22) J.E. Prins, (23) H. Zunderman, (24) W. de Sitter, (25) J.E. Stol, (26) L.J.F. van Leeuwen, (27) W. van Heuzen, (28) A. Luteyn, (29) D. Gaykema, (30) J.H. Kasten, (31) H.M. Swaak, (32) J. Woltjer, (33) J. Nicaise, (34) G. Pels, (35) F. de Haas, (36) E.W. de Rooy

12. Staff of the Leiden Observatory in 1960. Photograph N. van der Horst).(1) W.N. Christiansen, (2) E. Raimond, (3) J. Kluiters, (4) P. Kiel, (5) C.J. van Houten, (6) W. Star, (7) D. Ondei, (8) R. Rijf, (9) L. Maitimo, (10) P. de Hoorn, (11) I. Robbers, (12) L. Braes, (13) K.K. Kwee, (14) A. Ollongren, (15) T. Hoekema, (16) unknown, (17) unknown, (18) H. Pels-Kluyvers, (19) J.H. Oort, (20) unknown, (21) J.A. Högbom, (22) J. Bevelander, (23) H. Kleibrink, (24) P.Th. Oosterhoff, (25) unknown, (26) W.W. Shane, (27) B. Hooghoudt, (28) unknown, (29) G.P. Smith (?), (30) A. Meester, (31) A.G. Jansen, (32) unknown, (33) L. Gaykema, (34) G. Westerhout, (35) F. Hermans, (36) unknown, (37) unknown, (38) unknown, (39) A. Filippo, (40) J. Tinbergen, (41) unknown, (42) M. Flohr, (43) unknown, (44) C. Kooreman, (45) unknown, (46) M. Pauw, (47) I. Starre, (48) W. Rougoor, (49) unknown, (50) W.N. Brouw, (51) G. van Agt, (52) A.M. van Genderen