This British guy gave us a particle theory of light in 1704, but it's the "apple falling on his head" thing you may remember
[DOC] [TLE] Full text of "From Newton to Einstein; changing conceptions of the ... [PAR] J. S. Ames 93 The Reflection of light by Gravitation and the Einstein Theory of 
Relativity, .... We must remember that the moon is not stationary, but travelling at 
... For purposes of com- putation, the earth can be considered a particle, with its 
....