Peter was born on 10 September 1937, in Downton, England, to Stanley Richard and Louise Gladys Moody Almond. His parents got quite a shock when Peter's arrival was accompanied by his identical mirror-twin brother John. Shortly thereafter, the family moved to Edenbridge in Kent where Stanley was the pastor of its Baptist church. Much of Peter's childhood memories were from World War II, which included periods of rationing, overhead German bombers and V-1 rockets in route to London, nearby casualties, an evacuation, and a German fighter plane crashing nearby. He recalls the surrounding military establishment in southern England, where his dad served on Sundays as a chaplain conducting Free Church services.Peter's curiosity was exemplified by his sometimes being a mischievous young boy and not the most stellar of students. Early in his academic career, one headmistress declared that Peter and John were going to "end up nothing but ditch diggers." John later became a civil engineer, which Peter whimsically supposed "a professional ditch digger." However, Peter and John's behavior was expected to be fitting of a "Son of the Manse" (preacher's kid).Peter later discovered the joys of studying, especially in math and physical sciences. Although a "winding road," this led him to the University of Nottingham in 1955, where he received his BSc, Honors Physics in 1958. With National Service simultaneously being phased out, army service would no longer be required, leaving Peter suddenly unsure of his future. Serendipitously, he found his calling when, unexpectedly, he was given the opportunity for a 1-year postgraduate Certificate Program in Medical Physics from Bristol University, which he completed in 1959. From there Peter came to the United States, accepting an offer for a 1-year fellowship in medical physics at The University of Texas at Houston (TX) M. D. Anderson Hospital and Tumor Institute (MDAH), later named M. D. Anderson Cancer Center (MDACC). In 1960, he entered the Department of Physics at nearby Rice University, where he received his MS (1962) and PhD (1964) in Nuclear Physics.