Jacques Pepin will only appear on PBS in re-runs after this year.
In addition to being a fantastic chef, Pepin, 80, is noted for his good humor, joie de vivre and his incredible teaching ability, including a cooking show he did with Julia Child.
I've seen this Frenchman late at night and found him able to break down things simply, so that anyone can follow along (even a large knife-phobic soul like me).
Slate's tribute to him is here; an excellent article, it mentioned a PBS channel that had some of his shows online.
Now I just have to find the episode that teaches you how to make mayonnaise, since, so far, I have found the process too hard to even think about trying.