本杰明·富兰克林不仅是发明家，也是美国的开国元勋之一。

Benjamin Franklin was not only an inventor but also one of the ___founding fathers of the United States.

托马斯·爱迪生被认为是电灯行业的奠基人之一。

Thomas Edison is considered one of the ___founding fathers of the electric light industry.