alexander fleming

FLEMING WAS BORN IN SCOTLAN IN 1881.HE STUDIED AT THE UNIVERSITY OF LONDON.HE WAS INTERESTED IN INFECTIOUS DISEASE;IN 1928,HE DISCOVERED A SUBSTANCE THAT KILLED BACTERIACOMMON TO MANY DISEASES.HE CALLED THIS SUBSTANCE ;PENENCILLIN .HE RECEIVED THE NOVEL PRIZE FOR MEDICINE IN 1945.HE DIED IN LONDON IN 1955