Brook Taylor

1685-1731

Introduced the Taylor expansion -  the main foundation of differential calculus - in words of   J. L. Lagrange

Louis François Antoine Arbogast

1759-1803

Introduced the main formulas for n-order derivatives including what was later named the Faa di-Bruno formula.

 

With great love and appreciation of Delphi language, its integrated environment, and the Visual Component Library which so embellished my life! Delphi is an island of beauty among the awkward landscape of modern programming.

Alexander Gofen