Hadfield, ChrisHagan, JanetHaldeman II, Jack C.Haldeman, JoeHaldeman, LindaHale, GillHambly, BarbaraHamilton, EdmondHamner, RobertHampton, David R.Hanson-Roberts, MaryHarman, ChristopherHarmon, David P.Harned, TheresaHarrison, HarryHartson, TamaraHawke, SimonHawking, StephenHeidbrink, James R.Heinlein, Robert A.Heller, AlHenneberg, CharlesHerbert, FrankHessayon, D. G.Hickman, SteveHise, Della VanHoffman, Nina KirikiHogarth, Grace AllenHorne, DanielHoward, Robert E.Huff, T. S.Huff, TanyaHyberg, Bjorn