16. X IS A 1948 AMERICAN DOCUMENTARY
FILM DIRECTED BY Y. PRODUCED BY WALT
DISNEY, IT WAS THE FIRST INSTALLMENT OF
THE TRUE-LIFE ADVENTURES SERIES OF
NATURE DOCUMENTARIES. IT WON AN
OSCAR IN 1949 FOR BEST SHORT SUBJECT
(TWO-REEL). IDENTIFY X AND Y ?
21. WILLIAM GARITY, WAS AN AMERICAN
INVENTOR AND AUDIO ENGINEER WHO
ATTENDED THE PRATT INSTITUTE BEFORE
GOING TO WORK FOR LEE DE
FOREST AROUND 1921. GARITY IS BEST
KNOWN FOR HIS EMPLOYMENT AT WALT
DISNEY STUDIOS, WHICH USED THE
CINEPHONE SYSTEM IN THE LATE 1920S
EARLY 30S.