Puzzle 5: Three famous engineers! The names of three famous engineers and what they are known for are coded in each eye chart. To find the name of the engineer, start with the FIRST letter in the eye chart (top letter), then type every other letter until the word is complete. To find what they are famous for (their contribution), start with the SECOND letter in the eye chart (row 2, first letter), then type every other letter until the word is complete. The CODE is the FIRST letter of each engineer's LAST name, from left to right (ALL CAPS).