K.E. Machin in 1958 predicted that ciliary beat is NOT driven at the base, like in bacterial flagella (cilia are not whips) because then the wave would dye off towards the tip. He also predicted alternating activity of force generators across the axoneme.
https://doi.org/10.1242/jeb.35.4.796
Jo Howard at "The Biophysics of Motile Cilia ‐ from Structure to Function" 830. WE-Heraeus-Seminar