Beta-lactam antibiotics include penicillins, cephalosporins and related compounds. As a group, these drugs are active against many gram-positive, gram-negative and anaerobic organisms.
Joseph Morgan is rumoured to have hooked up with Claire Holt (2011). Joseph Morgan is a 35 year old British Actor. Born Joseph Martin on 16th May, 1981 in London, England, UK, he is famous for Klaus Mikaelson in The Vampire Diaries. His zodiac sign is Taurus.
Joseph Priestley. Joseph Priestley was an English scientist, philosopher, theologian and clergyman who authored more than 150 publications. He is noted for his groundbreaking contributions to experimental chemistry, electricity and the chemistry of gases, as well as his extraordinary work regarding liberal political and religious thought.