Could you name me a psychologist who studied empathy?

http://en.wikipedia.org/wiki/Empathy

Scroll down to the bottom of the webpage and then search to find information about some of the authors in the Books section; you should also check out the External Links articles/references.

Carl Rogers, and his client centered therapy is the preeminent person in this field, second only to Freud.

Sure! One prominent psychologist who extensively studied empathy is Dr. Daniel Goleman. He is known for his work on emotional intelligence and wrote a bestselling book called "Emotional Intelligence: Why It Can Matter More Than IQ." In this book, Dr. Goleman explores the importance of empathy and how it contributes to personal and social success. To find out more about his research, you can read his book or search for articles and interviews by Dr. Daniel Goleman on empathy.