British doctor Hans Sloane traveled to Jamaica as a personal physician of the 2nd duke of Albermarle and was soon engrossed in the natural species of the region. He documented his collections, and they eventually helped form the British Museum. He is also known as the inventor of drinking chocolate.
Scotch-Irish American military-surgeon and politician James McHenry, who served as the 3rd United States Secretary of War, is noted as a signer of the United States Constitution from Maryland. He was elected a delegate to Maryland State Convention of 1788. He was instrumental in reorganizing the United States Army into four regiments and established the United States Department of the Navy.
A clergyman’s daughter, Kathleen Lynn went against her family to participate in the Easter Rising. She was also one of the first women doctors from University College Dublin and later became the chief medical officer of the Irish Citizen Army. She devoted her life to feminism and social upliftment of the poor.
Irish neuroscientist and UCL professor Eleanor Maguire is best known for her work on the role of the human brain, especially the hippocampus. One of her best-known works was on the spatial abilities of cab drivers in London. She has been named a Fellow of the Royal Society and of the British Academy.