Especially in the context of the FPS system this is sometimes known as the Stroud system after William Stroud, who popularized it.

Who discovered FPS system?

Answer: Everett (1861) proposed the metric dyne and erg as the units of force and energy in the FPS system.

Where is FPS system used?

Even though England along with the rest of Europe and its colonies adopted the metric system, three countries in the world still, use the imperial FPS system for official and conventional purposes. They are: United States of America, Liberia, and Myanmar.