| Pioneering Edward R. Murrow show of the '50s | 48 |
| Pioneering dub reggae producer nicknamed "Scratch" | 60 |
| Pioneering DJ Freed | 19 |
| Pioneering deejay Freed | 23 |
| Pioneering Dadaist | 18 |
| Pioneering D.J. Freed | 21 |
| Pioneering conservationist | 26 |
| Pioneering computer, for short | 30 |
| Pioneering computer of 1951 | 27 |
| Pioneering computer game | 24 |
| Pioneering computer | 19 |
| Pioneering company originally named Syzygy | 42 |
| Pioneering company behind "As Seen on TV" products | 60 |
| Pioneering comic Bruce | 22 |
| Pioneering comedy film producer | 31 |
| Pioneering college football coach | 33 |
| Pioneering collagist | 20 |
| Pioneering Christian rockers | 28 |
| Pioneering child care author | 28 |
| Pioneering cell phone co. | 25 |
| Pioneering cartoonist | 21 |
| Pioneering Canadian physician, Sir William ___ | 46 |
| Pioneering brand of decaf coffee | 32 |
| Pioneering Boeing planes | 24 |
| Pioneering blues singer Smith | 29 |
| Pioneering black sportscaster | 29 |
| Pioneering black comedian (whose signature line was "Oh, yeah!"), ___ Rogers | 86 |
| Pioneering beatboxer on "La Di Da Di" | 47 |
| Pioneering automaker | 20 |
| Pioneering anti-AIDS drug | 25 |
| Pioneering agriculturist Jethro | 31 |
| Pioneering 70's video game | 30 |
| Pioneering 50's news program | 32 |
| Pioneering 35 mm. camera | 24 |
| Pioneering 1982 sci-fi film | 27 |
| Pioneering 1982 film | 20 |
| Pioneering 1950 Isaac Asimov book | 33 |
| Pioneering 1940s computer | 25 |
| Pioneering 1940's computer | 30 |
| Pioneering 1740 novel subtitled "Virtue Rewarded" | 59 |
| Pioneering "hot" jazz guitarist | 41 |
| Pioneering | 10 |
| Pioneered, as a movement | 24 |
| Pioneered | 9 |
| Pioneer: abbr. | 14 |
| Pioneer, e.g. | 13 |
| Pioneer, as a trail | 19 |
| Pioneer's wagon | 19 |
| Pioneer's vehicle | 21 |
| Pioneer's transportation | 28 |
| Pioneer's transport | 23 |
| Pioneer's slogan on the way west | 36 |
| Pioneer's rug material | 26 |
| Pioneer's purchase | 22 |
| Pioneer's problem | 21 |
| Pioneer's place | 19 |
| Pioneer's piece | 19 |
| Pioneer's org. | 18 |
| Pioneer's hearing? | 22 |
| Pioneer's heading | 21 |
| Pioneer's hat material | 26 |
| Pioneer's direction | 23 |
| Pioneer's digs | 18 |
| Pioneer's desire | 20 |
| Pioneer's cap supplier | 26 |
| Pioneer wares | 13 |
| Pioneer video-game name | 23 |
| Pioneer video game systems | 26 |
| Pioneer video game | 18 |
| Pioneer vehicle | 15 |
| Pioneer TV personality | 22 |
| Pioneer transports | 18 |
| Pioneer transportation | 22 |
| Pioneer talk show host | 22 |
| Pioneer suffragist's initials | 33 |
| Pioneer suffragist | 18 |
| Pioneer space primate | 21 |
| Pioneer sci-fi writer | 21 |
| Pioneer sci-fi man et al. | 25 |
| Pioneer rug material | 20 |
| Pioneer restaurant reviewer Duncan | 34 |
| Pioneer reggae musician | 23 |
| Pioneer recording engineer Light | 32 |
| Pioneer radiation researcher | 28 |
| Pioneer products | 16 |
| Pioneer preservationist | 23 |
| Pioneer plowman | 15 |
| Pioneer plow pullers | 20 |
| Pioneer planter | 15 |
| Pioneer pilots | 14 |
| Pioneer physicist Alessandro | 28 |
| Pioneer photojournalist | 23 |
| Pioneer performance artist | 26 |
| Pioneer org. | 12 |
| Pioneer of TV comedy | 20 |
| Pioneer of the twist | 20 |
| Pioneer of the programmable computer | 36 |
| Pioneer of the Chinese Republic | 31 |
| Pioneer of telegraphy | 21 |
| Pioneer of slapstick cinema | 27 |