Gibbs returned to Yale in June 1869 and, two years later in 1871, he was appointed professor of mathematical physics at Yale. However, as Crowther points out in:
Gibbs ibabalik sa Yale sa Hunyo 1869 at, dalawang taon na mamaya sa 1871, siya ay hihirangin propesor ng matematika physics at Yale. Subalit, bilang Crowther puntos sa: