Gabrielle Émilie le Tonnelier de Bretuil du Châtelet-Lomont (1706-1749)
was born into an aristocratic family (her father served in the court of the
king) and as such, she received an excellent childhood education. By age 12,
she had already fluently reading, speaking and writing in French, English,
Italian, Spanish and German and could translate from both Greek and Latin. Nevertheless,
as most women of the time, she was excluded from receiving any form of
upper-level education. The Sorbonne and the “cafes” were primary sources of
upper-level education but women were not permitted in such places. But Émilie
was determined. She once entered a café with a friend, Maupertuis, and
proceeded to join in the conversation the males at the table until she was
firmly instructed to leave by café management. The following day she returned,
dressed in “drag” and was permitted to remain at the table (even though it was
clear she was a woman).
Voltaire |
At the age
of 19, Émilie married a military leader, the Marquis Floret-Claude du Châtelet-Lomont.
The biography speaks little of her marriage to her husband except that she bore
him three children (one who died in infancy) and had numerous affairs with
various tutors and influential male members of society – each who played an
influential role in her education and shaping her influence in philosophy. Likely
the most influential lover in Émilie’s life was Voltaire. She and Voltaire
moved into one of her husband’s abandoned estates and remodeled it into a
high-class, top-notch library and laboratory in which the two studied Newton,
Locke, Leibnitz, and many others. Émilie is known as an experimental physicist,
replicating many of Newton’s experiments as well as conducting her own. She also
dabbled in areas of ethics, philosophy of religion, philosophy of language, philosophy of science, metaphysics, wrote a number of books and essays, including her
translation of Newton’s Principia and
a notable essay on the nature of fire. She also collaborated extensively with
Voltaire on many of their works to the extent that it is unclear which ideas
belong to which author in many of their joint works.
Émilie
gained wide recognition first as an experimental physicist and philosophers of
science in her contribution to Voltaire’s work, Éléments de la Philosophie du Neuton, earning her the name “Lady
Newton,” but also gained a great reputation as a metaphysician in her essays on
optics, color, and fire, but more so from her Institutions de Physique and her translation and commentary on Principes Mathématiques de la Philosophie Naturelle (the first
French translation and commentary on Newton’s Principia). Émilie initially considered herself a pure Newtonian,
convinced that Newton’s works were an accurate depiction of what was actually
happening in the universe. While she was convinced the Newton gave and accurate
depiction of how the universe worked, she felt he failed to explain why it
worked as such – Descartes held a better theory of metaphysics. She felt that
Newton’s physics described an omnipotent, but not omniscient God and it claimed
that action was predetermined. Predetermined action would indicate that there could
be no free human action and no free will. If there is no free will, there is no
virtue and vice and, according to her familiarity with Mandeville’s account of virtue and vice, she believed that without vice there is no need for political
society and also no need for the spiritual reformations taking place that
accounted for personal salvation, etc.
Émilie felt
that without providing the metaphysical underpinnings for Newton’s physics,
French society would never accept Newton and all he had to contribute. She was
shortly after introduced to the works of Leibniz and she began to see how
Leibniz metaphysics could support Newton. Her Institutions de Physique explains and defends the relationship
between Newtonian physics and Leibnizian metaphysics. She combined Leibnizian
ontology with Newtonian atomism, using Leibniz monadology to understand true
substances. She discussed the principle of sufficient reason to explain why possible
events actually occur and to reestablish the predictability of science (such
that it is not merely a whim in the mind of God that can change when God
changes his mind, etc.). She also used Leibniz Law of Noncontradiction to
explain how humans can still have free will and his principle of sufficient
reason to explain why there are beings with free will. As such, she was
seemingly able to defend Newtonianism while simultaneously preserving notions
of the nature and will of God, as well as the nature and will of humans and
their interaction with God. She preserved human initiative and free will as
opposed to accepting humans as just cogs in the wheel of a perfectly designed
machine (as Newton held).
While the Institutions was one of her greatest
works, many pure Newtonians rejected the combination of Newtonian and
Leibnizian ideas (Voltaire himself didn’t see a need for a metaphysical
defense). Nevertheless, Émelie’s greatest work, her life’s work, was her
translation of Newton’s Principia. She
desired to make Newton’s views accessible to the French people. As such, she
not only translated his work, but made some modifications of her own as well as
added commentary. But her translation held true to Newton’s original work and
she clearly indicated when she was inserting her own thoughts or corrections.
For nearly two centuries, Émilie’s translation served as the primary French
translation of this work and served as a central piece to the Enlightenment. While
working on the translation, Émilie became pregnant by a younger lover. Fearing
that she would die in childbirth, worked 20 hours a day to complete the work.
She finished, but shortly after her child was born, both died.
In conclusion,
while society still held up barriers to women receiving equal education with
men of their same rank, Émilie’s determination allowed her to have exclusive
access to private societies and the great thinkers of her day. Her aristocratic
background gave her some influence, as well as her many affairs, but she was able
to hire tutors from the Sorbonne to learn mathematics and physics, and was
privy to an exquisite library and laboratory. She became well-known, even
outside of France (Kant recognized her work and commented on an essay she had
written). In addition, she was an influential thinker in various areas of science including the scientific method, metaphysics, and explored questions of theology, existence and more.
Personal Response
From this
biography of Émilie, it is amazing how much she was able to learn and
accomplish. She seemed nearly brilliant in her ability to learn so quickly the
ideas of others, different languages and different subjects, and then to
publish so many books and essays. I also found it amazing how she was so
influential in science, an area that we consider to be primarily relegated to
men. Of course, this was the age of the Enlightenment and science was the
primary field of interest. Nevertheless, I thought it was really fascinating
that she was able to gain recognition and respect for her work, despite the
fact that women were still predominantly excluded from society. And this was
not the type of “awe” given to women of the medieval period who were seen as
prodigies, she gained legitimate respect and was sought after for conversation
and ideas on the works she published and studied.
Additionally, although Émilie was a bit promiscuous,
I wonder how much of that was her own desire, and how much was influenced by
her understanding that sex was a means to attain a better education and access
to scientific, philosophic society. A commentary from another woman suggested
that she intentionally dressed in gaudy attire to make her face appealing and
gain attention – which could mean she simply desired to have many lovers, or
she was trying to gain favor from those she thought could offer educational
benefit (so either way). Regardless, it was interesting to me that she was
never criticized or rebuked for her sexuality, but maintained a seemingly
respected reputation – which I think can shed light on the changing
(diminishing) role of Christianity and religious values, as well as speak to
her confidence and determination to do as she desired to do and accomplish her
goals.
Source
Chapter 8 "Gabrielle
Émilie le Tonnelier de Bretuil du Châtelet-Lomont" in A History of Women Philosophers: Modern Women Philosophers, 1600-1900, by Mary Ellen Waithe