The Gelug is the newest of the four major schools of Tibetan Buddhism.
It was founded by Je Tsongkhapa (1357–1419), a Tibetan philosopher, tantric yogi and lama and further expanded and developed by his disciples.
Tsongkhapa founded the monastery of Ganden in 1409 as his main seat.
was founded by Jamyang Choje, Sera Monastery was founded by Chöje Shakya Yeshe, and Tashi Lhunpo Monastery
was founded by Gyalwa Gendün Drup, the 1st Dalai .