Dr. Penelope J. Leach is a British psychologist

Psychologist

Psychologist is a professional or academic title used by individuals who are either:* Clinical professionals who work with patients in a variety of therapeutic contexts .* Scientists conducting psychological research or teaching psychology in a college...

 who writes extensively on parenting

Parenting

Parenting is the process of promoting and supporting the physical, emotional, social, and intellectual development of a child from infancy to adulthood...

 issues from a child development perspective.

Her best-known book is Your Baby and Child: From Birth to Age Five, published in 1977, which has sold over two million copies to date. Leach notes in the introduction to that book: "Whatever you are doing, however you are coping, if you listen to your child and to your own feelings, there will be something you can actually do to put things right or make the best of those that are wrong."
She graduated from Newnham College

Newnham College, Cambridge

Newnham College is a women-only constituent college of the University of Cambridge, England.The college was founded in 1871 by Henry Sidgwick, and was the second Cambridge college to admit women after Girton College...

, Cambridge

University of Cambridge

The University of Cambridge is a public research university located in Cambridge, United Kingdom. It is the second-oldest university in both the United Kingdom and the English-speaking world , and the seventh-oldest globally...

 with honours in 1959.