He neither knew of the wave theories that had been postulated by Huygens, Euler and Young, nor did he know of the latest developments in the corpuscular theory supported by the majority of scientists.
Siya ang alinman sa alam ng kaway theories na had been postulated sa pamamagitan ng Huygens, Euler at Young, nor did siya alam ng mga pinakahuling developments sa korpuskulo theory suportado ng karamihan ng mga siyentipiko.