His prolific work in the 1920s and 1930s, the result of travelling to remote corners of the railway network in the United Kingdom and Ireland, has provided subsequent generations with a comprehensive source of illustrations for books and magazines.
Edward Casserley loved mechanical objects and constructed from scratch a model railway in the loft, which may have inspired his son's enthusiasm for trains.
Henry spent his working life in the head offices of the Prudential Assurance Company in London, but was evacuated to Derby in World War II.
Casserley acquired his first motor car in 1934, which aided his reaching obscure small railway lines and investigating windmills, in which he had also developed an interest.
[5] He was meticulous in keeping records of his negatives, using a numbering system he later shared with his son, and estimated that he had personally taken 60,000 railway subjects by 1972, in some fifty-two years of work.