Whose disciples founded Yellow Hats?
The Yellow Hat sect (also known as The Gelug, Gelug-pa, dGe Lugs Pa, dge-lugs-pa or Dgelugspa) is a school of of Tibetan Buddhism. The founder was Je Tsongkhapa (1357–1419 CE).
Yellow Hats, the newest of the schools of Tibetian Buddhism, was founded by Je Tsongkhapa. He was an admirer of the Kadampa teachings and promoted the Kadam School's emphasis on the Mahayana principle of compassion. The most influential figure is the Daiai Lama.