Born in Germany, Johann Ludwig Wilhelm Thudichum moved to London in 1853, where he practiced as a laryngologist. He was also interested in chemical research, initially of urine and bile, later of the human brain. Thudichum lectured at St. Thomas's Hospital in London and was the first director of its laboratory of chemistry and pathology(1865-71). Among his writings are A treatise on the chemical constitution of the brain (1884) A treatise on wines (1896). He was an early public health advocate and is considered a founder of neurochemistry.
From the description of J.L.W. Thudichum papers, 1855-1942. (National Library of Medicine). WorldCat record id: 14313813
From the guide to the J.L.W. Thudichum Papers, 1885-1942, (History of Medicine Division. National Library of Medicine)