SCIENCE

SCIENCE
VOL. LXX
No. 1819
FRIDAY, NOVEMBER 8, 1929
Surface Structure and Atom Building: PROFESSOR
433
W. D. HARKINS ..........
The American Association for the Advancement of
Science:
The Regular Fall Meeting of the Executive Committee: PROFESSOR BURTON E. LMINGSTON .................. 442
Obituary:
University and Educational Notes .450
Discussion:
Collecting in the Lower Eocene: DR. EDWARD
L. TROxELL. Concerning the Mediterranean Fruit
Fly: PROFESSOR G. F. FERRIS. The Micrometric
Muddle: JOHN P. CAMP. Oestrus during Pregnancy: WARREN 0. NELSON. Alcaligenes abortus
from the Spinal Fluid: DR. FREDERICK W. SHAW 451
Beports:
The New Intercollegiate Geological ExThe New England
.454
cursion: DR. W. G. FOYE
Special Articles:
Vitamin B Deficiency in Nursing Young Bats and
Learning Ability: SIEGFRIED MAURER and LoH
SENG TSAI.
Saving Time
and
Storage
ing Sugar-beets: PROFESSOR GEORGE
in Breed-
STEWART-.-
Science News
456
x
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SURFACE STRUCTURE AND ATOM BUILDING1
By Professor W. D. HARKINS
UNIVERSITY OF CHICAGO
learned in the whole life work of dozens of other
I. INTRODUCTION
I WISH to express my great appreciation of the prominent chemists.
The number of facts which may be found in experiunexpected honor which is conferred upon me by
mental
work in any science is so great, and at the
the award of the Willard Gibbs medal, established
so limited in scope, that their discovery is
same
time
and
through the generosity of William A. Converse,
worth
while unless they can be correlated with
seldom
American
the
bestowed by a jury chosen from
facts
to
other
give general relations. The most genbeen
has
Gibbs
For
many years
Chemical Society.
one of my heroes of science, and I am very proud eral of these relations are often dignified by their
to have my name associated with his in this way. As designation as laws of nature. Thus scientists may
you know, he was the greatest of American chemists be classified as those who discover facts and those
without being, in the technical sense, a chemist at all. who classify or correlate them, or as experimentalists
The student of chemistry who shies at mathematics and theorists. Usually the experimentalist needs to
may well take this fact into account, for Gibbs at be, at least in a limited way, a good theorist, though
his desk discovered in a few years more concerning it is not essential that the theorist be an adept in
the relations of chemical phenomena than has been experiment. For this reason, Gibbs was able to
1 The Willard Gibbs lecture delivered in connection become the greatest of theoretical chemists without
with the award of the Willard Gibbs gold medal by the the acquisition of any of the ordinary experimental
Chicago Section of the American Chemical Society, May technique of the science.
25, 1928. Revised May 18, 1929.
Downloaded from http://science.sciencemag.org/ on June 16, 2017
Edwin E. Slosson; Becent Deaths .......................... 443
Scientific Events:
The Florida Anthropoid Laboratory of Yale University; The Chemical Laboratory at the University of New Hampshire; The De Lamar Lectures at
the Johns Hopkins University; Degrees Conferred
by Columbia University; In Honor of Mime. Curie 444
447
Scientific Notes and News ...................
Scientific Apparatus and Laboratory Methods:
A Useful Modification of Amann 's Medium: DR.
WILLIAM H. WESTON, JR. A Circuit Breaker for
Water-cooled X-ray Tubes: A. A. BLESS ........................ 455
70 (1819)
Science 70 (1819), xii-458.
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