SIR ROBERT S. BALL D.Sc. LL.D. F.R.S.
Lowndean Professor of Astronomy and Geometry in the
University of Cambridge
Author of "In Starry Realms" " In the High Heavens" etc.
[PLATE: GREENWICH OBSERVATORY.]
It has been my object in these pages to present the life of each
astronomer in such detail as to enable the reader to realise in
some degree the man's character and surroundings; and I have
endeavoured to indicate as clearly as circumstances would permit