George E. Johnson Sr., a pioneer in Black hair care whose multimillion dollar business was the first Black-owned company to be listed on the American Stock Exchange, has died at age 99, according to his family.Johnson died Monday at his home in downtown Chicago. A cause of death was not released.Johnson and his late wife, Joan, started Johnson Products in 1954 on Chicago’s South Side after securing a $250 loan. It grew into a hair care empire catering almost exclusively to Black people, with brands like Afro Sheen and Ultra Sheen.Johnson Products also was a national sponsor of the hit 1970s music and dance television show “Soul Train.”“Johnson Products became a fixture in homes and salons around the world and a source of pride throughout Black America,” his family said in a statement.Johns