This page has been validated.
PIONEERS OF PROGRESS
MEN OF SCIENCE
Edited by S. CHAPMAN, M.A., D.Sc., F.R.S.
HERSCHEL
BY THE REV.
HECTOR MACPHERSON
M.A., F.R.A.S., F.R.S.E.
AUTHOR OF
"ASTRONOMERS OF TO-DAY," "A CENTURY'S PROGRESS IN ASTRONOMY"
"THE ROMANCE OF MODERN ASTRONOMY," ETC. ETC
LONDON:
SOCIETY FOR PROMOTING
CHRISTIAN KNOWLEDGE
NEW YORK: THE MACMILLAN COMPANY
1919
