She worked under George Wald, investigating the biochemistry of retinal and retinol. According to an interview given by Ruth, together they built on the work that Wald had researched during a fellowship following his own doctorate degree.
She worked under George Wald, exploring the biochemical aspects of retinal and retinol. In conjunction with an interview provided by Ruth, together they developed on the research that Wald had undertaken during a postdoctoral fellowship following his graduation.