The most important device in the universe. The second-most important device in the universe. Both created by John Zabrucky, iconic prop maker, who closed up shop last year.
And Lo, Picard Did Say to the Conn, “Shtep On It”
StarTrek.com officially posts the series bibles for TNG, Deep Space 9, Voyager, and Star Trek: Faith of the Heart Enterprise (click the title headings within the post to go to the series bible PDFs).