Who is Ed Dwight, oldest person to go to space at the age of 90?

Ed Dwight, aged 90, became oldest man to fly to space on Blue Origin rocket on Sunday. Dwight was US' first black astronaut candidate in 1960s after President John F Kennedy chose him for NASA's training program, but wasn't selected later. William Shatner, who earlier held the record by flying to space at 90, was beaten by a few months.