About Ross McWhirter
Alan Ross McWhirter was, with his twin brother, Norris, the cofounder of the 1955 Guinness Book of Records and a contributor to the television programme Record Breakers. He was assassinated by the Provisional Irish Republican Army (IRA) in 1975. McWhirter maintained his home and Guinness Publishing business in the Middlesex area as it became the Municipal Borough of Edmonton, then London Borough of Enfield, and finally as part of Greater London in 1965. Ross and Norris both became sports journalists in 1950.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.