Bob Wander, who appears as a guest expert in the "Glider" segment, is the father of Dessa, AKA Margaret Wander, hip hop star and member of rap crew Doomtree. She references her father in the song "Children's Work" on her debut album "A Badly Broken Code" - the opening lines "My father was a paper plane, my mother was a windswept tree". Bob has written books on soaring and has been a glider pilot and flight instructor since 1980. He has represented the Soaring Society of America at the Oshkosh Airshow.