Wiese Kurt
Willis James E.
Winkler Karl
Wood Phil
Wood, Jr. Lowell L
Woodruff Terry Lee
X-ray Optical Systems, Inc.
XRF Corporation
Yamada Yasujiro
Yamagami Motoyuki
Yamano Akihito
Yasui Noriko
Yasukawa Shoichi
Yellepeddi Ravisekhar
Yokhin Boris
Yoshioka Masakazu
Zakharchenko Valter I.
Zikonix Corporation