Z
- Zeeman effect – Pieter Zeeman
- Zener effect – Clarence Melvin Zener
- Zeno effect – Zeno of Elea
- Zipf's law – George K. Zipf
- Zipf–Mandelbrot law (a.k.a. Pareto–Zipf law) – George K. Zipf and Benoît Mandelbrot (or Vilfredo Pareto)
Read more about this topic: Scientific Phenomena Named After People