Anselm was a medieval philosopher and theologian who is widely recognized as the founder of Scholasticism. He was born in 1033 in Aosta, Italy and is best known for his work 'Proslogion', which is considered to be one of the most important works of medieval philosophy. Anselm's philosophical approach was based on the use of logical argumentation and rational thought to explain theological concepts. He is also credited with introducing the ontological argument for the existence of God. Anselm's influence on the development of Scholasticism was immense, and his ideas continue to be studied and discussed today.