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William Guy
Peck
Columbia (Astronomy Tree)


John Krom
Rees
Columbia


William Guy
Peck
Columbia (Astronomy Tree)


John Krom
Rees
Columbia


Harold
Jacoby
Columbia









Jan Hendrik
Oort
Leiden
(Options)

Gart
Westerhout
U.S. Naval Observatory (Astronomy Tree)

A. Peter
Henderson
University of Maryland (Astronomy Tree)

Gijsbert
van Herk
Leiden (Astronomy Tree)

Leendert
Binnendijk
Penn (Astronomy Tree)

Beverly Brandon
Bookmyer
Clemson University (Astronomy Tree)



Bruce A.
Peterson
ANU (Astronomy Tree)

Richard Frederick
Green
University of Arizona (Astronomy Tree)



John Darlington
Landstreet
The University of Western Ontario (Canada)

Ernst
Raimond
Leiden (Astronomy Tree)

William Butler
Burton
Leiden (Astronomy Tree)

Thomas M.
Bania
Boston University

Reinirus Antonius Maria
Walterbos
New Mexico State (Astronomy Tree)

Pieter Corijnus
van der Kruit
RUG (Astronomy Tree)

Johan Hendrik
Knapen
Instituto de Astrofísica de Canarias (Astronomy Tree)

Eline
Tolstoy
RUG (Astronomy Tree)

William Whitney
Shane
Monterey Institute for Research in Astronomy (Astronomy Tree)

Elias
Brinks
University of Hertfordshire, UK (Astronomy Tree)

Renzo
Sancisi
RUG (Astronomy Tree)

Paul Peter
van der Werf
Leiden (Astronomy Tree)



Filippo
Fraternali
RUG (Astronomy Tree)


William Clarence
Erickson
University of Maryland (Astronomy Tree)

Jan OortX