LEAST TIME PROBLEM

Ben Szapiro

The Department of Physics

The University of the South, Sewanee

2) Gottfried Wilhelm von Leibniz ("Splendid problem")

3) Jakob Bernoulli (Johann's brother, legal counsel says OK)

4) de l'Hospital

5) Isaac Newton (as "an anonymous englishman", but: "ex ungue leonem")

then the shortest distance between them being a straight line ,

one might think that the motion along it needs least time.

It turns out that this is not so."

Discourses on Mechanics (1588)

Straight from A -> B (distance s)

First Down to C, then Horizontal to B: