Mary Somerville — Brilliant polymath, scientific genius

Published in 1869, 'The Subjection of Women' is an essay by John Stuart Mill that argues against the social and legal inequalities faced by women. Mill contends that the inferior status of women is not based on natural differences but rather on social customs and historical power dynamics. He compares the status of women to that of slaves, highlighting the lack of legal rights, including property ownership and suffrage. Mill advocates for women's education, employment opportunities, and the reform of marriage laws to achieve greater equality. The essay, influenced significantly by his wife Harriet Taylor Mill, was a groundbreaking call for gender equality and had a significant impact on the women's rights movement despite facing criticism and controversy at the time of its publication.

On the Connexion of the Physical Sciences is a book by Mary Somerville, first published in 1834. It explores the interdisciplinary nature of scientific fields such as astronomy, physics, chemistry, and geology. Somerville elucidates the underlying mathematical principles connecting these disciplines, making complex scientific concepts accessible to a broad audience. The book emphasizes the unity of the natural world and highlights the importance of a holistic approach to scientific inquiry. It was widely read and praised for its clarity and comprehensiveness, contributing significantly to the popularization of science in the 19th century.

Mécanique Céleste is a comprehensive treatise on celestial mechanics by Pierre-Simon Laplace. Published in five volumes from 1799 to 1825, it presents a detailed mathematical analysis of the motions of celestial bodies, including planets, moons, and comets. The work builds upon Isaac Newton's Principia Mathematica, extending and refining Newton's laws of motion and gravitation to explain the stability of the solar system. Laplace's treatise introduced new mathematical techniques and concepts, such as potential theory and the Laplace transform, which became essential tools in physics and engineering. It solidified the understanding of gravitational interactions and laid the groundwork for modern astrophysics and space exploration.

Published in 1687, 'Philosophiæ Naturalis Principia Mathematica' is a comprehensive treatise that establishes the principles of modern physics. The book is divided into three main sections and includes preliminary chapters on definitions and axioms. It introduces Newton's three laws of motion and the law of universal gravitation, explaining phenomena such as the motion of bodies, fluid dynamics, and the behavior of celestial bodies like planets and comets. The work also includes discussions on hydrostatics, hydrodynamics, and acoustics, and it systematizes a method for studying nature through mathematical means. Newton revised and expanded the work in subsequent editions published in 1713 and 1726.