In 1861 he entered the Lawrence Scientific School at Harvard, where again his father played an important role, and here he seems to have shone much more than in his undergraduate years.
Aastal 1861 ta asus Lawrence Teaduslik kooli Harvard, kus taas oma isa mängis olulist rolli, ning siin ta ilmselt paistis palju rohkem kui tema üliõpilaste aastat.