Moseley
Farcroft Fidelity, bred by S.E. Moseley, was the breed's first CC winner in the United Kingdom.
How a British dog dealer named S.E. Moseley created the modern Bullmastiff — or took credit for it, at least.
Bull Mastiff Ch. Athos, owned by a Miss Lane, likely 1930s.
Almost a century ago, when the Kennel Club in the United Kingdom changed the name of the Bull-Mastiff to the Bullmastiff, it was no trivial technicality.