[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
[莱布尼兹 / 萊布尼茲, Lái bù ní zīㄌㄞˊ ㄅㄨˋ ㄋㄧˊ ㄗ] Leibnitz (name); Gottfriend Wilhelm von Leibniz (1646-1716), German mathematician and philosopher, co-inventor of the calculus#140663