Question: Who is the most underappreciated member of the crossword design team?
Answer: The crossword inker.
If you haven't heard about crossword inking before, then you must watch this brilliant video in which Garson Hampfield, crossword inker, expounds on the intricacies of this esoteric art. (Run time: 6.45mins)
Update: In case you’re wondering, this is meant to be a parody, with a lot of fake details. Please view it in that spirit!
Ashok, a big thank you for pointing this video out to me. I've seen it thrice and found new gems each time.
Crossword setters – what do you say? ;)
Update 2: Tony, crossword constructor who prefers making grids on the computer to employing a human "Box Team", points out that Chad Bumfry's framed masterpiece doesn't have its checking right! See the grid for yourself: