who is considered to be the most influential writer of all time on medical subjects
Galen Aelius Galenus or Claudius Galenus (/ɡəˈliːnəs/;[1] Greek: Κλαύδιος Γαληνός; September 129 AD – c. 200/c. 216), often Anglicized as Galen and better known as Galen of Pergamon (/ˈɡeɪlən/),[2] was a prominent Greek physician, surgeon and philosopher in the Roman Empire.[3][4][5] Arguably the most accomplished of all medical researchers of antiquity, Galen influenced the development of various scientific disciplines, including anatomy,[6] physiology, pathology,[7] pharmacology,[8] and neurology, as well as philosophy[9] and logic.
Arthur Conan Doyle Sir Arthur Ignatius Conan Doyle, KStJ, DL (22 May 1859 – 7 July 1930) was a British writer best known for his detective fiction featuring the character Sherlock Holmes. Originally a physician, in 1887 he published A Study in Scarlet, the first of four novels about Holmes and Dr. Watson. In addition, Doyle wrote over fifty short stories featuring the famous detective. The Sherlock Holmes stories are generally considered milestones in the field of crime fiction.