Haertwig Werner
Hague William James
Haldor Topoe A/S
Haldor Topsoe, S.A.
Hann Paul D.
Harding Eric Martin
He Yufeng
Hensley Harvey D.
Hibbs Frederick M.
Hillier Anna C.
Holcombe Thomas C.
Holtermann Dennis L.
Hommeltoft Sven Ivar
Hoover Kenneth Charles
Hoppe Anette
Hori Yuji
Houbrechts Stephan
Hovis Keith W.
Hsu Chao-Yang
Hu Jianli