Robert Green was 31 years old when he went to college. That was his first time to come into the classroom. Eleven years later, he received a doctor's degree(博士学位)in physics. Robert Green was a good example in studies for all people. His life was a moving story.
From a young age, Robert Green lived a simple and poor life with his grandfather in the mountains of Boston. His grandfather taught him to read. Later he taught himself to read math books and physics books. From time to time, he bought old books with his saved money and read them all. At that time few people in Robert's neighborhood knew about his love of reading and learning. But one person, Jane Keller did know him. She worked in a library. Robert often went there and read everything in it. She advised books for him to read.
A year later. he entered Bethel College. He was interested in everything that he had ever seen before. He got an "A "in every subject. To his teachers' surprise, he finished college in three years. His teachers encouraged(鼓励) him greatly and he continued his education at Stanford University.