Furumoto headed the laser development program for the Jersey Nuclear-AVCO Isotopes (JNAI) laser isotope separation project from 1972 on. Discussion of the original decision to use a linear-lamp-excited transverse flow dye laser; Charles Pike's injection-locked laser; how they increased the lifetimes and efficiencies of the flash lamps; how they determined some of the design parameters; how the vortex flashlamp dye laser program was terminated; the JNAI High Density Experiment; the movement of the project from AVCO-Everett Research Laboratory in Everett, Massachusetts, to Richmond, Washington. Also prominently mentioned are: Sargent Janes, Arthur Kantrowitz, Lawrence Levin, and Richard Levy.