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Etext of The Circulation of the Blood
by Thomas H. Huxley
Etext of The Circulation of the Blood
by Thomas H. Huxley
WILLIAM HARVEY AND THE DISCOVERY OF THE CIRCULATION OF THE BLOOD
by Thomas H. Huxley
THE CIRCULATION OF THE BLOOD*
[*footnote] A Lecture delivered in the Free Trade Hall, November 2nd,
1878.
I DESIRE this evening to give you some account of the life and labours
of a very noble Englishman--William Harvey.
William Harvey was born in the year 1578, and as he lived until the year
1657, he very nearly attained the age of 80. He was the son of a small
landowner in Kent, who was sufficiently wealthy to send this, his
eldest son, to the University of Cambridge; while he embarked the
others in mercantile pursuits, in which they all, as time passed on,
attained riches.
William Harvey, after pursuing his education at Cambridge, and taking
his degree there, thought it was advisable--and justly thought so, in
the then state of University education--to proceed to Italy, which at
that time was one of the great centres of intellectual activity in
Europe, as all friends of freedom hope it will become again, sooner or
later. In those days the University of Padua had a great renown; and
Harvey went there and studied under a man who was then very
famous--Fabricius of Aquapendente. On his return to England, Harvey
became a member of the College of Physicians in London, and entered
into practice; and, I suppose, as an indispensable step thereto,
proceeded to marry. He very soon became one of the most eminent
members of the profession in London; and, about the year 1616, he was
elected by the College of Physicians their Professor of Anatomy. It
was while Harvey held this office that he made public that great
discovery of the circulation of the blood and the movements of the
heart, the nature of which I shall endeavour by-and-by to explain to you
at length. Shortly afterwards, Charles the First having succeeded to
the throne in 1625, Harvey became one of the king's physicians; and it
is much to the credit of the unfortunate monarch--who, whatever his
faults may have been, was one of the few English monarchs who have shown
a taste for art and science--that Harvey became his attached and
devoted friend as well as servant; and that the king, on the other
hand, did all he could to advance Harvey's investigations. But, as you
know, evil times came on; and Harvey, after the fortunes of his royal
master were broken, being then a man of somewhat advanced years--over
60 years of age, in fact--retired to the society of his brothers in and
near London, and among them pursued his studies until the day of his
death. Harvey's career is a life which offers no salient points of
interest to the biographer. It was a life devoted to study and
investigation; and it was a life the devotion of which was amply
rewarded, as I shall have occasion to point out to you, by its results.
Harvey, by the diversity, the variety, and the thoroughness of his
investigations, was enabled to give an entirely new direction to at
least two branches--and two of the most important branches--of what
now-a-days we call Biological Science. On the one hand, he founded all
our modern physiology by the discovery of the exact nature of the
motions of the heart, and of the course in which the blood is propelled
through the body; and, on the other, he laid the foundation of that
study of development which has been so much advanced of late years, and
which constitutes one of the great pillars of the doctrine of evolution.
This doctrine, I need hardly tell you, is now tending to revolutionise
our conceptions of the origin of living things, exactly in the same way
as Harvey's discovery of the circulation in the seventeeth century
revolutionised the conceptions which men had previously entertained with
regard to physiological processes.
