Greene eventually began his own career and, at the age of twenty-three, became known as the "Color Photography's Wonder Boy".
Greene kemudian memulai kariernya sendiri dan, pada usia dua puluh tiga tahun, menjadi dikenal sebagai "Color Photography's Wonder Boy" (Laki-Laki Menakjubkan dari Fotografi Berwarna). ^ Parramore, Thomas C. (2000).