The following paper covers the speach given by Prof. Dr. A. Yücel, MD, Head; related to the funeral ceremony dedicated to Prof. Dr. E. K. Unat (14/8/1914-13/4/1998), Emeritus Prof. and former Head of Microbiology and Clinical Microbiology Dept, Univ. of Istanbul, Cerrahpaşa Medical Faculty, in addition to his complete bibliography. Unat had graduated Istanbul University Medical Faculty in 1937; becoming Associate Prof. in 1942 had begun to work in the same faculty; retired in 31.8.1983, then continued his lessons by 24.6.1992 as contracted lecturer. He had carried several studies in USA in between November 1946-October 1949. He had studied on medical mycology in Dermatological Research Laboratory directed by Dr. F. D. Wiedman in Medical School of Pennsylvania Univ. ; had attended malariology tropical parasitic diseasess course and also gained his MPH degree in 1948 in Higyene and Public Health School in John Hopkins Univ. ; had certificated in medical mycology in Duke Univ. and had studied in Health Laboratory in Maryland; in Health Service Laboratory in New York; in National Institute of Health, Institute of Microbiology Infectional Diseasess Laboratory Virus Section in Betshada and had studied in Dr. Emmons' mycology laboratory. He had attended courses on diagnosis in bacteriology, mycology, tuberculosis and parasitical diseasess and had also examined medically important artropodes present in Mediterranean Region, in Atlanta. In his 50 years service life he had teached about 15 thousand students, he consultened to 5 Associate Professors, 46 physicians specialised on microbiolgy and 8 PhD studens in between 1958-1983. He had written 35 books, 1 translated chapter, 10 monographs, 15 meeting books, 10 congress reports and 360 papers; all listed here. Unat had reported either alone or together with his colleges Shigella sonnei, Dirofilaria conjunctivae, Salmonella eastbourne, Linguatula serrata, Shigella boydii, Cryptococcus neoformans, Toxoplasma gondii, Leptospira canicola, Capillaria hepatica, Pneumocystis carinii, Hymenolepsis diminuta, Sarcophaga in intestins, Lucilia in urinary tract, human Hypodermyasis, Protophormiae terranovae, Gemella haemolyssans as the first in Turkey; had carried detailed researches on microbial antigenes and had reported the first colon cryptococcosis case on the world.