1) Bookish folks 2) Eggheaded show-offs 3) Good fact-checking types 4) Hairsplitters 5) Hairsplitting types 6) Hard taskmasters 7) Intellectual show-offs 8) Nitpicking types 9) Sticklers 10) Stiff teachers 11) They split hairs 12) Unimaginative teachers 13) Uptight nit-pickers 1) Didacts 2) Hairsplitters 3) Haplitters 4) Purists 
Sleeve of Incredible String Band album `No Ruinous Feud` ...