Saint Fiacre was an Irish monk who lived in the 7th century. He is known for his piety and his life of solitude and prayer. Fiacre is said to have been a skilled herbalist and healer, known for his ability to cultivate medicinal plants. He is also credited with founding a hospice and monastery in France, where he spent much of his life in seclusion. Fiacre is venerated as the patron saint of gardeners, herbalists, and those suffering from venereal disease. He is also invoked for protection during travel, leading to his association with taxi drivers.