An artist replicating another artist's work and a man looking at the original art.
A person is crafting a replica of another's creation.
"A person in crafting a replica of another's creation" is a rephrasing of "An artist replicating another artist's work and a man looking at the original art."
The person is an artist, and is replicating another man's art.
An artist is a person crafting a replica of another's creation.