sentences:  McArdle consciously emulated the American "Life" magazine (1936-1972) and the French "Réalités" (1946-1979).In the 1960s the magazine spawned a number of book-length illustrated anthologies.After McArdle's illness and death, John Ross took on the editorship in December 1969 with various others filling the role, and the magazine format was reduced to 20 x 27.5 cm until it ceased publication in 1974.