 John Hammond akaberekerwa muCrown Point musi waAugust 17, 1827, mwanakomana waJane Renne naCharles F. Hammond, muridzi akakurumbira uye mutarisiri wemabhizimisi emiti nesimbi muCrown Point, New York. Akaenda kuzvikoro zvevoruzhinji zveCrown Point, Panton, Vermont, uye St. Albans, Vermont, uye akapedza kudzidza pachikoro muSt. Albans. Akapinda Rensselaer Polytechnic Institute uye akashanda muchitoro chemhuri yake muCrown Point asati atamira kuCalifornia panguva yegoridhe yegoridhe ye1849. Akadzokera kuCrown Point pashure pemakore anoverengeka muCalifornia, uye akatangazve kushanda mumabhizimisi emhuri yake. 