盖奇 is the standard transliteration of the surname 'Gage'. The most-cited bearer in Chinese textbooks is Phineas Gage (
菲尼斯·
盖奇), the 19th-century railway worker whose iron-rod brain injury reshaped modern neuroscience.
盖 (gài, 'cover') and
奇 (qí, 'rare') are picked for sound, not meaning.