Question. Context: The chain's origin can be traced to the Dwarf Grill (now the Dwarf House), a restaurant opened by S. Truett Cathy, the chain's former chairman and CEO, in 1946. The restaurant is located in Hapeville, Georgia, a suburb of Atlanta, and is near the location of the now-demolished Ford Motor Company Atlanta Assembly Plant, for many years a source of many of the restaurant's patrons.

Question: who was the founder of chick fil a?
Answer. S. Truett Cathy
What step-by-step reasoning justifies that answer?
Reasoning: To answer this question, we should know that: The chain's origin can be traced to the Dwarf Grill (now the Dwarf House), a restaurant opened by S. Truett Cathy, the chain's former chairman and CEO, in 1946.