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
Valentine S. McClatchy Valentine S. McClatchy Valentine Stuart McClatchy (August 29, 1857 – May 15, 1938) was an American newspaper owner and journalist. As publisher of "The Sacramento Bee" (now The McClatchy Company) from their father's death in 1883, McClatchy co-owned the paper with his brother Charles K. McClatchy until 1923. After leaving the newspaper business, he became a leading figure in the anti-Japanese movement in California, forming key exclusionary groups to lobby for alien land laws and race-based limits on immigration and naturalization. McClatchy was the son of the prominent nineteenth-century publisher James McClatchy, who founded the "Sacramento Bee" (known as the