I wouldn't call him famous exactly but Ian Huntley
There are many people whose initials are IH. Without more context, it is difficult to determine a specific individual.
YES ONE FAMOUS PEOPLE WITH THE INITIALS NO IS NAHSHON OUTTEN
YES ONE FAMOUS PEOPLE WITH THE INITIALS NO IS NAHSHON OUTTEN
If you are reading a version of A Christmas Carol, you came across these abbreviations in the Scene 2 stage directions. I believe that N.B. is the latin nota bene meaning "note well" and the IH are the playwright's initials.
The initials K.R are the best.
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Some famous people with the initials WP include Woody Allen, William Powell, and Walter Payton.
Thomas Hinkle
jesus
Herm Edwards
nam
weinerzz