Gampopa was a Tibetan Buddhist master who is known for his significant contributions to the development of the Kagyu school of Tibetan Buddhism. He was a renowned scholar, teacher, and practitioner, and is considered one of the most influential figures in the history of Tibetan Buddhism.

Gampopa is best known for his synthesis of the Mahayana and Vajrayana traditions, which laid the foundation for the Kagyu lineage. He was a disciple of the famous Tibetan yogi, Milarepa, and was also trained in the Kadampa tradition by his teacher, Dromtön Gyalwai Jungne. Gampopa's teachings were based on the Mahamudra, or "Great Seal," which is a key concept in the Kagyu school that emphasizes the innate nature of mind.

One of Gampopa's most famous works is "The Jewel Ornament of Liberation," which is a comprehensive guide to the Buddhist path. This text has become a core text for the Kagyu lineage and is still studied and practiced by many Tibetan Buddhists today. In this work, Gampopa explains the stages of the Buddhist path, from the initial motivation to attain enlightenment to the ultimate state of awakening. He also emphasizes the importance of the guru-disciple relationship and the role of devotion in one's spiritual practice.

Gampopa is also known for his emphasis on the integration of meditation and daily life. He believed that true spiritual progress can only be achieved through the integration of meditation and daily activities. This approach is reflected in his famous quote, "Meditation is not separate from daily life, but rather, it is the essence of daily life."

In addition to his teachings, Gampopa is also known for establishing the first monastery of the Kagyu lineage, called Dagpo Monastery. This monastery became a center for the study and practice of the Kagyu tradition and played a crucial role in preserving and spreading Gampopa's teachings.

Furthermore, Gampopa was a great healer and is said to have performed many miraculous healings through his spiritual practice. He also emphasized the importance of compassion and taught his students to cultivate a compassionate heart towards all beings.

In summary, Gampopa is known for his profound teachings on the Buddhist path, his synthesis of the Mahayana and Vajrayana traditions, and his emphasis on the integration of meditation and daily life. He is also remembered for his role in establishing the Kagyu lineage and his miraculous healing abilities. Gampopa's teachings continue to inspire and guide many practitioners on their spiritual journey, making him a highly revered figure in Tibetan Buddhism.