You don't call them. If you wish to contact one get the address/number of their agent and contact them.
Who Is The Famous Person In 1920s
A dead famous person. lol
4154+
fergie
many famous people showed gratitude
famous people are called celebrities
a publisist a bigraphy
murder
There doesn't seem to be a person called Joshua Robinson who is famous for anything, but there is a person called Josh Robinson who is famous for playing football.
Megan Fox
its called an "autograph"
an endorsement
Ralph nader.
Groupie.
vegas river
There are various terms. They can be called a famous person. They can be called a celebrity or a star. Depending on who they are and what they are famous for, there may be other terms used.
Sherlock Holmes