In fact, he had finished Euclid's Elements textbook at age 11 and had taught himself calculus by 16 (not an unusual accomplishment these days, I admit -- I also

In fact, he had finished Euclid's Elements textbook at age 11 and had taught himself calculus by 16 (not an unusual accomplishment these days, I admit -- I also taught myself calculus at 15. I am no Einstein.) In no way was Einstein deficient -- he would at least be described as advanced, just maybe not as a prodigy.