 
        A 17th-century scientist who made significant contributions to the field of chemistry, particularly in the study of alchemy and the development of medicines. Her work also explored the properties of metals and their uses.
Katherine Jones, Viscountess Ranelagh, was a renowned Anglo-Irish scientist, political and religious philosopher, and a prominent figure in 17th-century Britain's intellectual circles. She is best known for her significant influence on her brother Robert Boyle's work in chemistry and her own contributions to the scientific community.
Born on 22 March 1615, in Youghal, Ireland, Katherine was the seventh child of fifteen to Catherine Fenton and Richard Boyle, the first Earl of Cork. Her siblings included the celebrated scientist Robert Boyle and the spiritual diarist Lady Mary Rich, later Countess of Warwick.
Although her educational background is not well-documented, it is believed that she received private tutoring from the family chaplains, focusing on religion and manners. Her father, a wealthy man, ensured that his sons received an extensive education and secured politically advantageous marriages for his daughters.
At the age of nine and a half, Katherine moved in with the Beaumont family, where she was to be wedded to one of their sons, Sapcott Beaumont. However, when Beaumont's father died, the marriage arrangements dissolved, and she moved back home. Two years later, at the age of 15, she married Arthur Jones, heir to Viscount Ranelagh, and became known as Katherine Jones.
Katherine was an active member of several intellectual circles, including the Hartlib Circle, the Great Tew Circle, and the Invisible College. Her correspondents included prominent figures such as Samuel Hartlib, Edward Hyde, William Laud, Thomas Hyde, and John Milton.
Her influence on her brother Robert Boyle's work in chemistry is well-documented. Boyle often sought her advice and input on his scientific experiments, and she is believed to have played a significant role in shaping his ideas.
During the 1650s, Katherine hosted a London salon, which became a hub for virtuosi associated with Hartlib. These gatherings provided a platform for intellectuals to discuss and exchange ideas on various subjects, including science, philosophy, and politics.
Katherine Jones, Viscountess Ranelagh, left a lasting legacy in the scientific and intellectual communities of 17th-century Britain. Her contributions, although often overshadowed by those of her brother, are now recognized as significant in their own right.
Through her involvement in various intellectual circles and her salon, Katherine facilitated the exchange of ideas and collaboration among prominent thinkers of her time. Her influence extended beyond the scientific community, shaping the political and social landscape of 17th-century Britain.
Katherine Jones, Viscountess Ranelagh, was a pioneering figure in 17th-century Britain, whose contributions to science, philosophy, and politics continue to inspire and influence scholars today.
 
                Born in 1920
A British scientist who contributed significantly to the discovery of the structure of DNA, providing high-quality X-ray crystallography images that helped James Watson and Francis Crick develop their famous model.
Born in 1867
A pioneering scientist who pioneered radioactivity research, discovering elements polonium and radium, and paving the way for breakthroughs in medicine and energy.
Born in 1858
A leading figure in the British suffragette movement, fighting for women's right to vote through militant tactics and public demonstrations. Her activism led to significant social and political change.
Born in 1815
Pioneering mathematician and computer scientist who wrote the first algorithm intended to be processed by a machine, and is often considered the first computer programmer. Her work on Charles Babbage's Analytical Engine envisioned its potential to go beyond mere calculation and perform any task that could be expressed in a series of steps.
Born in 1780
A pioneering female mathematician and astronomer who wrote influential books on celestial mechanics and was one of the first women to be recognized for her scientific contributions. Her work helped popularize complex scientific concepts for a broader audience.
Born in 1750
First female astronomer to receive a salary, discovered several comets and double stars, and assisted her brother William in his astronomical observations.
Born in 1799
A pioneering fossil hunter who uncovered several groundbreaking dinosaur discoveries, including the first complete plesiosaur skeleton, significantly advancing our understanding of prehistoric life.
Born in 1836
Pioneering female physician and politician who broke gender barriers in medicine and politics, becoming the first woman to achieve several notable milestones.