John of Tours (d. 1122) was a Norman-French physician to William I of England, being present at his deathbed in 1087. He was appointed Bishop of Wells in 1088 by William Rufus. There he bought Bath Abbey's grounds, from the king. In 1090 he became Bishop of Bath and Wells, and proceeded to build and reform in his diocese. He also developed Bath as a spa, and founded a hospital for lepers Wikipedia
The definitive Wikipedia entry for John Of Tours. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/John_of_Tours