 Ragazzini's notable students are Rudolf E. Kálmán (known for Kalman filters), Eliahu Ibraham Jury (known for Z-transform), Gene F. Franklin (known for digital control), and Lotfi Asker Zadeh (known for fuzzy sets and fuzzy logic).Ragazzini is also credited, along with Lotfi Zadeh, in 1952, to have pioneered the development of the z-transform method in discrete-time signal processing and analysis.In 1970 he received the Rufus Oldenburger Medal.