PERSON@1 -LRB- -RRB- ; -LRB- July NUMBER@1 , NUMBER@2 -- missing July NUMBER@3 , NUMBER@4 , declared dead January NUMBER@5 , NUMBER@6 -RRB- was a noted MISC@1 aviation pioneer , and author .

PERSON@2 -LRB- July NUMBER@1 , NUMBER@2 -- missing as of July NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 aviator and writer .
