In England in 1899 Ives's former assistant, Edward Sanger-Shepherd, commercialized the application of the three-colour process in the "Sanger Shepherd process of natural colour photography".
在1899年的英格兰，艾夫斯的前助手爱德华·桑格 - 谢泼德（Edward Sanger-Shepherd）将“三色过程”的应用商业化为“桑格谢泼德的自然彩色摄影过程”。