13. Solemn procession of the Professors on
their way from the University building on the Rapenburg in Leiden to
the nearby Church of St. Peter (c. 1950). J.H. Oort following at the
back. Photograph by N. van der Horst.
14. J.H. Oort discussing Observatory
affairs with P.Th. Oosterhoff (1947). Photograph by Ad Windig.
15. J.H. Oort in conversation with
H.C. van de Hulst, at the reception on the occasion of Oort’s
quadragenarian jubilee as a staff member of Leiden Observatory in
1964
16. At his retirement in 1970, J.H. Oort
was awarded the insignia of ‘Commandeur of the Order of Oranje-Nassau’
by the then Minister for Education, Dr. G.H. Veringa
17. A Ph.D. ceremony in the Senate Room of
Leiden University, 1977. Behind the table, left to right: R.D. Ekers,
H.C. van de Hulst, J. van den Berg, the Rector, H. van der Laan,
J.H. Oort, C. van Schooneveld, A. Blaauw.
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