1 AR-The standard Mallinckrodt grade of analytical reagents; suitable for laboratory and general use. 2  If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagent, it will be denoted as an AR (ACS) reagent.
Clint Eastwood (May 31st, 1930), the American actor, director and producer has won 4 Oscars:-1992: Oscar to the Best Director and Oscar to the Best Picture for 'Unforgiven'.-1992: Oscar to the Best Director and Oscar to the Best Picture for 'Million Dollar Baby'.
The former win was for Raging Bull and the latter was for The Godfather: Part II.. Tom Hanks. Hanks has been nominated for five Oscars and won twice. He won for Best Actor two years in a row: first for Philadelphia in 1993 and then for Forrest Gump in 1994. Christoph Waltz. Waltz is a newcomer to the Oscars but has an impressive track record so far.