[马赫 / 馬赫, Mǎ hèㄇㄚˇ ㄏㄜˋ] Mach (name); Ernst Mach (1838-1916), German physicist; Mach (aeronautics), unit of speed based on speed of sound = 1 Mach = 1224 km per hr#16633
[赫兹 / 赫茲, Hè zīㄏㄜˋ ㄗ] Hertz (name); Heinrich Hertz (1857-1894), German physicist and meteorologist, pioneer of electromagnetic radiation; Herz (Hz) or cycles per second, unit of frequency#53376
[赫胥黎, Hè xū líㄏㄜˋ ㄒㄩ ㄌㄧˊ] Huxley (name); Thomas Henry Huxley (1825-1895), British evolutionary scientist and champion of Darwin; Aldous Huxley (1894-1963), British novelist#106492
[斯文・赫定, Sī wén· Hè dìngㄙ ㄨㄣˊ· ㄏㄜˋ ㄉㄧㄥˋ] Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 樓蘭|楼兰, See Also: 樓蘭, 楼兰