who is the black inventor j. m smith?
<answer> Otto J. M. Smith was an educator, inventor and author in the fields of engineering and electronics. <context> Otto J. M. Smith. Otto J. M. Smith was an educator, inventor and author in the fields of engineering and electronics. He spent most of his career as a professor at University of California Berkeley. [1] Dr. Smith is probably best known for the invention of the Smith predictor, a method of handling deadtime in feedback control systems: