Ephraim Chambers was an English writer and encyclopaedist, who is primarily known for producing the Cyclopaedia, or a Universal Dictionary of Arts and Sciences. The first edition of the Cyclopaedia appeared by subscription in 1728, in two v...

George Berkeley was one of the three most famous (Locke and Hume) eighteenth century British Empiricists. He is best known for his motto, esse is percipi, to be is to be perceived. He was an idealist: everything that exists is either a...

Willem Jacob 's Gravesande was a Dutch philosopher and mathematician. His chief contribution to physics involved an experiment in which brass balls were dropped with varying velocity onto a soft clay surface. His results were that a ball wi...

Emanuel Swedenborg was a Swedish scientist, philosopher, Christian mystic and theologian. Swedenborg had a prolific career as an inventor and scientist. In 1741 at the age of fifty-three he entered into a spiritual phase in which he eventua...

Colin Maclaurin was a Scottish mathematician who made important contributions to geometry and algebra. The Maclaurin series, a special case of the Taylor series, is named after him. Maclaurin also made significant contributions to the gr...

Pierre-Louis Moreau de Maupertuis was a French mathematician, philosopher and man of letters. He became the Director of the Académie des Sciences, and the first President of the Berlin Academy of Science, at the invitation of Frederick the...

Thomas Bayes was a British mathematician and Presbyterian minister, known for having formulated a special case of Bayes' theorem. Bayes was elected Fellow of the Royal Society in 1742. Bayes is known to have published two works in his li...

Gabrielle Émilie Le Tonnelier de Breteuil, marquise du Châtelet was a French mathematician, physicist, and author during the Age of Enlightenment. Her crowning achievement is considered to be her translation and commentary on Isaac Newton's...

Carl Linnaeus was a Swedish botanist, physician, and zoologist, who laid the foundations for the modern biological naming scheme of binomial nomenclature. He is known as the father of modern taxonomy, and is also considered one of the fathe...

Leonhard Euler was a pioneering Swiss mathematician and physicist. He made important discoveries in fields as diverse as infinitesimal calculus and graph theory. He also introduced much of the modern mathematical terminology and notation, p...

Georges-Louis Leclerc, Comte de Buffon was a French naturalist, mathematician, cosmologist, and encyclopedic author. His works influenced the next two generations of naturalists, including Jean-Baptiste Lamarck and Georges Cuvier. Buffon pu...

Mikhail Lomonosov was a Russian polymath, scientist and writer, who made important contributions to literature, education, and science. Among his discoveries was the atmosphere of Venus. His spheres of science were natural science, chemistr...

As a brilliant, undisciplined, and unconventional thinker, Jean-Jacques Rousseau spent most of his life being driven by controversy back and forth between Paris and his native Geneva. Rousseau first attracted wide-spread attention with his...

Jean-Baptiste le Rond d'Alembert was a French mathematician, mechanician, physicist, philosopher, and music theorist. Until 1759 he was also co-editor with Denis Diderot of the Encyclopédie. D'Alembert's formula for obtaining solutions to t...

Adam Smith was a Scottish moral philosopher, pioneer of political economy, and a key figure in the Scottish Enlightenment. Smith is best known for two classic works: The Theory of Moral Sentiments (1759), and An Inquiry into the Nature a...