Had he a background in computer science, Mr. Nations now says, he might have approached the “Lost” project differently. “The best thing would have been to create a database where everything’s linked, and if we’re talking about Jack and what was established in his first flashback episode, you could click on something that takes you there,” he said. But as an accountant, he was more inclined just to make notes in a ledger. “I’ve just created these Word documents, and I just write everything down.”
Gregg Nations’s Job - Keeping ‘Lost’ on Track, Television, NYTimes.com