我以为亥姆霍兹已经做到了……我的失败不过是因为对电学的无知。这是一个宝贵的错误……如果当时我能读懂德语，或许就永远不会开始我的实验了！
I thought that Helmholtz had done it... and that my failure was due only to my ignorance of electricity. It was a valuable blunder... If I had been able to read German in those days, I might never have commenced my experiments!
发明家
亚历山大·格雷厄姆·贝尔
亚历山大·格雷厄姆·贝尔（1847-1922），苏格兰裔发明家，以实用化电话引发通信革命。对聋哑教育的热情成为他声学研究的出发点，1876年取得世界首个实用电话专利。此后他在光无线通信、水翼船等多个领域持续追求创新，用发明不断拓展人与人之间的"连接"。
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