Thomas Latta

Thomas was a surgeon and natural scientist best known for pioneering the use of intravenous fluid therapy in medicine. 

Born in 1796 in Newhaven near Edinburgh, he was influenced early on by his brother, a doctor, and by the practical and community-focused environment in which he grew up. He graduated from the University of Edinburgh in 1819 and later worked as a surgeon, including time spent on whaling voyages, which helped develop his practical medical skills.

He eventually established himself as a general practitioner in Leith. His most significant contribution came during the cholera epidemic in Edinburgh in 1832. At a time when many patients died from severe dehydration, Thomas applied emerging scientific ideas about fluid loss and experimented with delivering fluids directly into the bloodstream.

In a notable case, he used intravenous infusion to treat a critically ill patient, successfully reviving her. This was the first recorded use of intravenous fluid therapy in humans and marked a major step forward in medical treatment. Although the method was not widely adopted immediately, it later became a standard and essential practice in modern medicine.

Thomas died relatively young, and little is known about his burial, but his work remains a lasting contribution to healthcare worldwide.