The San Francisco call., 1906-04-07
SCIENTIST ENDS HIS WORK
IN TINE TO MEET DEATH
John B. MacCallun, Brilliant Assistant of Loeb,
Races With Grim Messenger.
Consumption's Victim Hastens Researches to
Completion in Time to Die.

BERKELEY, April 6.-Death triumphed
last night in a race with John Bruce
MacCailum, one Of DIR. Jacques Loeb's
j brilliant associates at the university, but
/ the triumph was not complete. for in that
race with death. continued during Pc
ROO OF three years, the young scientist
had almost finished scientific work which
/ he dearly desired to complete before the
/ end came for him, and his notes remain
from which his former colleagues Will be
able to write the bulletins he had
(, planned.
| John Bruce MacCallum had known for
| three years that he was marked for
death. The great white plague laid hold
( upon him at the age of 26. He was 29
! when he died
| In the first flush of his full powers as
student and thinker and scientist, with
a brilliant future stretching before. Mac
Callum knew that for him the race would
be short. He laid out work, including
experiments at the physiological labora-
tory at the university, and planned to do
that work and also 20 write Of the re-
suits he ascertained
Professor MacCallum had a will of iron
and his purpose was indomitable. He
iabored steadily over the dissection tables
at the Rudolph Spreckels Laboratory on
the campus and then when strength failed
he had set for himself doing this toward
the end, at his home, 2631 Charming way.
Passers-by were accustomed to the
sight of thin, pale young man seated
on camp chair on the veranda, toiling
away, writing that which he had deter
mined should be written. Only few of
his intimates at the university and at his
home knew Of the arduous game he was
playing. These admired his courage and
tnh had he on1n h0 led o.
day by day, he fought off death with one
hand. while with the other he struggled
to finish his appointed task.
The end came last night at midnight,
when MacCallum gave up the fight. At
the university meeting this morning
President Wheeler spoke feelingly Of the
loss the university sustains in Professor
MacCallum's death.
DR.. MacCallum was born at Dunnville,
Ont, June S, 1876. His father, DR.. G.. A.
MacCullnm, was medical superintendent
of London Asylum, London, Canada. DIR.
MacCallum received his B. A. degree
from the University of Toronto in 1885,
his degree of M. d. from Johns Hopkins
University in 1900. He attended the Uni
versity of Leipzig in 1901, held the posi-
ton of assistant in anatomy at Johns
Hopkins in 1902, coming to the University
of California in 1903.
He was a member of the Anatomische
Gesellschaft and the Association Of
American Anatonists. In DR.. MacCai-
lum's death the university has suffered
the loss of one of her ablest and most
promising workers. A few Of his best
known published papers are: THE His
tology and Histogenesis of the Heart
Muscle Cell 1.-The Pathology of Frag-
Inentatic Myocardii and Myoca-di,' 1.-The
Histogenesis of the Striclid Muscle Fiber
and the Growth of the Human Statorius
Muscles" Contribution to the Knowl
edge of Fragmentation and Ffbrosis of
the Myocardium," "The Muscular Archi-
lecture and Growth of the Ventricles of
the Heart" Development of the Pigs
Intestine and Notes on the Wolfian
Body of Higher Mammals"