Beta-lactam antibiotics, which are named for the beta-lactam ring in their chemical structure, 1 include the penicillins, cephalosporins and related compounds.
Biography Josh Agle. Josh Agle (born August 31, 1962), is an American artist known by most followers by the nickname SHAG which is how he started signing his paintings in 1987 (derived from the last two letters of his first name, and the first two letters of his last name).
Dwayne Douglas Johnson (born May 2, 1972), also known by his ring name The Rock, is a Canadian-American actor, producer, and professional wrestler currently signed to WWE. Johnson was a college football player for the University of Miami, winning a national championship on the 1991 Miami Hurricanes football team.