Jean-Baptiste le Rond
d'Alembert

Académie française (Physics Tree)


Christophe
Gadbled

University of Caen (Physics Tree)


Pierre-Simon
Laplace

(Physics Tree)


Nathaniel
Bowditch

Harvard (Physics Tree)


Theodric Romeyn
Beck

The Albany Academy


Joseph
Henry

Smithsonian Institution




Matthew Fontaine
Maury

US Naval Observatory


Sears Cook
Walker

US Naval Observatory


Benjamin
Peirce

Harvard (MathTree)

Simon
Newcomb

Johns Hopkins
(Options)


Henry L.
Moore

Johns Hopkins (Neurotree)

Frank Hamilton
Hankins

Smith College (Econometree)

Henry
Schultz

Chicago (Neurotree)

Norbert
Herz

Universität Wien

Samuel
Oppenheim

Universität Wien


Edward Singleton
Holden

Lick Observatory

William Wallace
Campbell

Lick Observatory

Robert Grant
Aitken

Lick Observatory

William Hammond
Wright

Lick Observatory

Edward Emerson
Barnard

Lick Obsrvatory

John M.
Schaeberle

Lick Observatory

Albert Abraham
Michelson

Chicago (Physics Tree)

Henry Gordon
Gale

University of Chicago, Mount Wilson Observatory (Physics Tree)

Frank Baldwin
Jewett

Bell Labs (Physics Tree)

Harvey Brace
Lemon

Chicago (Physics Tree)

Lachlan
Gilchrist

University of Toronto (Geotree)


Robert A.
Millikan

Caltech (Physics Tree)

Simon NewcombX