Gerbil Maze

The cryptic clues can be solved in alphabetical order for two groups as follows:

Across

• ABHORS Hates to grab hors d’oeuvres from the middle (6)
• AV Savvy, even, is the fifth month on the calendar (2)
• AVULSION Ripping out depraved visual before broadcasting (8)
• AWHILE Wonder about most of Hawaiian city for some time (6)
• BERMUDAN Certain Caribbean head concealing real dirt for smearing? (8)
• EATS Fare at supper, essentially! (4)
• EMBOW Build a vault (empty) by tomb with the left half demolished - that hurts (5)
• EXTERNAL Next, Lear going insane in public (8)
• ISM Mohammed's religion, outside of LA, has a religious belief (3)
• KAKURO Mathy puzzles - knock out about a thousand, picking up prominently unanimous raves (6)
• MY Goodness, it makes the sea squalid (2)
• ORC Scorch the skin off of monstrous creature (3)
• ORGY Uncontrolled spree is gory, gross (4)
• RECOMMEND Suggest scouting around; French lady is with diver, at the surface (9)
• SPY Eighty-six or ninety-nine, but not even sappy (3)
• START AT Lead actor with body art to get an initial salary (5 2)
• THOR Avenger stealing gold from novelist (4)
• UZI Weapon found in recalled Isuzu after US export (3)
• VOL University of Tennessee player gets fancy looking back without the irrational bit (3)
• YO Hey! Note on a party invite excludes bed and breakfast (2)

Down

• ACE A minor triad pilot that's outstanding (3)
• AMMO Way of doing things after morning rounds (4)
• AN Heartless American is one (2)
• CRYPTO Carriage return, typo interfered with codebreaking (6)
• DO Note beehive, say (2)
• GAR "Eely Fish": jazz piece flops (3)
• HEAVY Have cast you initially as goon?
• HQ Base quidditch on going back outside (2)
• ICY Slick! Sounds like I understand (3)
• IKE President Eisenhower locked up in Riker's (3)
• ION Iodine applied to reactive molecule (3)
• LEVEE In France, the first lady entered dam (5)
• LIMB Branch's holding pattern is cut short (4)
• LO Behold bloody corpse left behind (2)
• OKRA Vegetarian's pod is from capsized boat with life preserver? (4)
• OX Box had its top pop off, revealing puller (2)
• PI Some pips for Sherlock Holmes, perhaps (2)
• SKATE Ray to stake out (5)
• SLEEPY Member of mining consortium is wily about deep cover being blown (6)
• TANK Military vehicle to repeatedly strike and strike out (4)
• THROW Cast most of the words (5)
• UMP Dump, take down one working at home (3)
• VIZIER High official, namely, one presented before the Queen (6)
• YMCA At #1, Young MC and a Village People song (4)

These can be entered into the grid, with START and END hanging out and black squares between words in order to produce a maze:

The maze has a unique solution path, and the letters at each turn spell TWELVE LET KROMOGRAM INVENTOR, cluing the answer, FREDERIC IVES.