After graduating Minchin was awarded first a scholarship, and then the Radcliffe Travelling Fellowship and travelled through Europe working at the Stazione Zoologica in Naples, and in the laboratories of Otto Bütschli and Richard Hertwig.
After graduating Minchin was awarded first a scholarship, and then the Radcliffe Travelling Fellowship which enabled him to travel through Europe. He worked at several different institutions including the Stazione Zoologica in Naples, and in the laboratories of Otto Bütschli and Richard Hertwig.