Germany / South Africa / Russia / United States / Denmark / /
Event
Person Travel / /
Facility
Leiden University Library / University Library / Leiden Observatory / US Naval Observatory / Harvard Observatory / Union Observatory / Bosscha Observatory / Lick observatory / Observatory Archives / University of Aarhus / Leiden University / Utrecht University / Leiden Southern Station / Philips laboratory Correspondence / /
IndustryTerm
chemical products / chemicals / /
Organization
International Education Board / Leiden University / Harvard / Yale / Eclipse committee / Royal Academy of Sciences / Rockefeller Foundation / Observatory / University of Aarhus / International Astronomical Union / Royal Astronomical Society / Board of Trustees / Utrecht University / Astronomical Society of the Pacific / /
Person
A. De Sitter / Herzsprung / J. Uitterdijk / J.G. Ferwerda / A.J. Wesselink / Jan Oort / R.G. Aitken / Ellen Papers / Piet Oosterhoff / Correspondence / Ejnar Hertzsprung / P.Th / H. van Gent / David Baneke / J.H. Oort / / /
Position
professor of astronomy / acting director / director / correspondent / professor of astronomy and deputy director of the observatory / director of the observatory / photochemical engineer / G.P. / /
Leiden Observatory Archives, Ejnar Hertzsprung papers (EH) Inventory by David Baneke, 2010 Table of contents i-iii 1 1