When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base such as petrolatum.
Hiram Rhodes Revels, R-Miss. Revels was the first African-American to serve as a state senator, representing Mississippi. Revels was elected by the Mississippi State Senate to fill a vacant U.S. Senate seat, which was abandoned by Albert G. Brown when Mississippi seceded from the Union during the Civil War.
Shirley Chisholm, 1972. Shirley Chisholm was the first African American woman elected to Congress, winning her seat in 1968 despite what she described as the double drawback of being female and having skin darkened by melanin.1 Her campaign slogan was, Fighting Shirley Chisholm - Unbought and Unbossed..