Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming. People began using it to treat infections in 1942. There are several enhanced penicillin families which are effective against additional bacteria; these include the antistaphylococcal penicillins, aminopenicillins and the antipseudomonal penicillins. They are derived from "Penicillium" fungi. The term "penicillin" is often used generically to refer to benzylpenicillin (penicillin G, the original penicillin found in 1928), procaine benzylpenicillin (procaine penicillin), benzathine benzylpenicillin (benzathine penicillin), and phenoxymethylpenicillin (penicillin V). Procaine penicillin and benzathine penicillin have the same antibacterial activity as benzylpenicillin but act for a longer period of time. Phenoxymethylpenicillin is less
William Valentine Doctorate in Pedagogy from the Central Philippine University in Iloilo City. The university honored him further on October 1, 2005, when Central Philippine University celebrated its Founder's Day with the unveiling of a bronze bust of Valentine at Old Valentine Hall. In Negros, the Bacolod Evangelical Church and the Bacolod Christian College as well as schools and missions throughout the province are outgrowths of Valentine’s work. William Valentine "For the Nova Scotian painter see William Valentine (painter)" William Orison Valentine (May 9, 1862– February 2, 1928) was an innovative educator and missionary in service of the American Baptist Foreign Mission