The image depicts Lyudmila Pavlichenko, a celebrated Soviet sniper during World War II. Pavlichenko is considered one of the best snipers in history, credited with 309.
Sir Alexander Fleming was a Scottish bacteriologist and immunologist. He discovered the antibacterial enzyme lysozyme and in 1928, the first antibiotic, penicillin. For the latter achievement he won the Nobel Prize in Medicine in 1945, together with Howard Florey and Ernst Chain