. . . . . . . . . . . . "Video recordings for people with visual disabilities" . "Video recordings for people with visual disabilities"@en . . . . . . "Percy Julian forgotten genius" . . "Percy Julian forgotten genius"@en . . . . . "Biographical television programs" . "Biographical television programs"@en . "Forgotten genius" . "Forgotten genius"@en . "Biographical (Nonfiction)" . . "Documentary" . "Percy Julian" . "Videocassettes" . "Forgotten genius" . . "Nonfiction television programs" . "Examines the life and career of chemist Percy Julian through archival material, dramatic re-enactments, and interviews with historians and scholars."@en . . . "Films for the hearing impaired" . . "Biography"@en . "Video recordings for the hearing impaired"@en . "Biography" . . . . . . "History" . . "Documentary television programs"@en . "Documentary television programs" . . . . . . "Television programs" . . . "Story of DePauw University alumnus Percy Julian's scientific breakthroughs and a biography of his life with period reenactments based on newly opened family archives and interviews with dozens of colleagues and relatives." . "Physostigmine chemical synthesis United States." . . "Video recordings." . . "Chemistry History 20th century." . . "DVD videodisc." . . "Cortisone chemical synthesis United States." . . "African Americans United States Biography." . . "African American chemists United States Biography." . . "Chemistry, Pharmaceutical United States Biography." . . "African American scientists United States Biography." . . "Prejudice United States." . .