Dr. Richard Ferber is the director of The Center for Pediatric Sleep Disorders, at Children's Hospital Boston. He is best known for his methods - popularly called Ferberization - that purports to teach young infants learn how to fall asleep on their own, which are described in his book "Solve Your Child's Sleep Problems". Wikipedia
The definitive Wikipedia entry for Richard Ferber. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Richard_Ferber