ehm, no. He says that he can't think of any luminary ideas and goes on to say this: "If we can theorize that if Einstein had never existed it would have been

ehm, no. He says that he can't think of any luminary ideas and goes on to say this: "If we can theorize that if Einstein had never existed it would have been 50 years (or 100 years or whatever you like) before someone else thought it up - we can probably classify it as luminary." He doesn't say that the idea is luminary, he is simply lacking an example and theorises on the Einstein idea.