Bad Jobs Remembered: Developing Photographic Plates of Astronomical Images
Green's job as a grad student working at Palomar Observatory was to develop images of the night sky made on glass plates with unpolished edges. Sleep-deprived from the previous night's shoot, he often cut himself as he slid the plates into a diluted acid bath.
"If you have [ever had] little cuts, and you're working with lemon juice, you know what it's like."
Director, Kitt Peak National Observatory, Tucson