John Welcome & Rupert Collens:

John Welcome (pseudonym for John Needham Huggard Brennan) was a lawyer educated at Sedbergh School and Oxford who became a writer specializing in racing and equestrian subjects[8]. He collaborated with Rupert Collens (pseudonym for Rupert Mackeson), a former Royal Horse Guards officer and racing writer, on multiple books about horses, racing, and hunting[7][8]. Together they authored several works including 'Snaffles: The Life and Work of Charlie Johnson Payne' and 'Snaffles on Racing and Point to Pointing'[7].