one of the characters in hidden figures is dorothy von cap -- dorothy vaughn, played by octavia spencer. there are some liberties taken as to time, but she is based on a true character who was a mathematician. and guess what her job was before she went to nasa langley as a mathematician? teacher at mouton high school in prince edward county. she was the math teacher. she also taught choir. she led a really magnificent choir at the school. she also taught character. that's what her colleagues and students said. then and asdid teachers do now. barbara was fighting for equal. she led this walkout. i guess one of the points i wanted to tell you is she had it all planned up until the point where she came out behind the stage and made this impassioned .peech to her colleagues she had it all planned out to that point. she didn't really have a plan for after that. she did not know she was going to become part of this lawsuit. she did not know and number of the consequences that were going to happen as a result of what she did. know after the , sheme court ruled in 1954 did not know prince edwar

part of that is good news, great teachers can get jobs everywhere now regardless of color, and dorothy vonas able to work at langley and help get the man on the moon come up with the challenges now of fighting for equal, great teachers, great curriculum, great facilities in our urban core is a very challenging one. announcer: that was a short portion of an holton's remarks. watch the entirety tonight at 8:00 p.m. eastern here on c-span. some of theere are programs this holiday weekend on c-span. 8:00 p.m. eastern, nasa briefing on the discovery of seven earthlike planets orbiting a nearby star. >> we are using the hubble space telescope to determine if they have hydrogen or helium dominated atmospheres. announcer: followed by a discussion on the pros and cons of genetically modified foods in los angeles. >> those of us who do this, we think that all plans are gm o's because there is nothing you buy in your grocery stores that hasn't been genetically modified. announcer: easter sunday at 10:30 a.m. eastern, the white house easter egg roll event for the last four presidents. then, a visit to