Here are the 14 that I deleted edit summary in italics excludes 8 ships aircraft see Ships Fernando Bengoechea known victim of the 2004 Indian Ocean earthquake tsunami Sneha Anne Philip has been officially declared a 9 11 victim Upali Wijewardena not mysterious plane wreckage found same year Alexander Grothendieck see Recluse Recluses listing and Category Hermits Andrew Fluegelman see Category Inventors who committed suicide Tommy O Connor article is for a different person fujitive not mysterious no s not mentioned in The Front Page article Airship Italia not mysterious North Pole airship crash Charles White Whittlesey see Category Military personnel who committed suicide J ri Vilms no mention of disappearance or missing in the J ri Vilms article John Franklin crew not mysterious see Franklin s lost expedition Leopold Frankenberger no mention of this in the article see also Talk Leopold Frankenberger Laozi article says Traditional accounts state he ventured west to live as a hermit at the age of 160 Spartacus body not found but known to have died in battle K inich K an Joy Chitam II captured by the Tonina in 711 and was possibly executed by their leader