Crossword Puzzle Notable early student of Bela

Clue: Notable early student of Bela

Early Atari offering (PONG with 4 letters)
Early offspring (CAIN with 4 letters)
Coach Bela's student (NADIA with 5 letters)
Spy's reaction to an early retirement offer? (DESKJOBINTERESTSAGENT with 21 letters)
Early TV offering (GMA with 3 letters)
Leaves the office early? (RESIGNS with 7 letters)
Student-beautician's offering? (LEARNERSPERM with 12 letters)
One heading the office of student roasts? (DEANMARTIN with 10 letters)
Offers breakfast to students before first period? (BRINGSHOMEROOMTHEBACON with 22 letters)
Early Microsoft offering (DOS with 3 letters)