Happy B day to one of the greatest scientists...
Happy Birthday... love your work and thanks for everything you had contributed.
Happy Birthday, RF!
Quite a remarkable person.
I like the water sprinkler demonstration at Feynmann Online.
I'd have liked to had shared a pitcher or three with Feynman over Einstein even
I propose a toast: A very happy birthday to the man who almost singlehandedly guided physics in the latter half of the 20th century.
Separate names with a comma.