Jay Donald Lasher (1929-2022) was a surgeon who served in the U.S. Navy, and then practiced in Erie, Pa. along with his father and brother. He was especially interested in kidneys and dialysis and designed a kidney dialysis monitor. George H. Strong, Research and Development Electrician at Hamot Hospital in Erie, Pa., built this artificial kidney monitor to Dr. Lasher's specificiations, and donated it to the Smithsonian in 1968.
Ref: J. D. Lasher, R. L. Lasher, “A New Artificial Kidney Monitor for use with the Travenol Twin Coil Dialyzer,” American Journal of Medical Science 253 (April 1967): 461-468.