The name of the Guru who first figured out flying is "Laghima". Laghima is actually one of the eight "Sidhdhis" (abilities) from Indian mythology. The Sidhdhis are achieved by meditation and training. Laghima is "Ability to become lighter than the lightest". Other Siddhis are - Anima (Reduce Size), Mahima (Gain Size), Garima (Become Heavy), Laghima (Become light), Prapti (Obtain anything), Prakamya (acquire anything), Isitva: Lordship over creation, Vasitva: Having control over things.