Reginald Fessenden
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father. During his life he received hundreds of patents in various fields, most notably ones related to radio and sonar.
Alexander Van Rensselaer
Alexander Van Rensselaer, known as Alec or Alex, was born on October 1, 1850 to the Rev. Cortlandt Van Rensselaer (1808–1860) and his wife, Catherine Ledyard (1811–1882), sister of Henry Ledyard. He was born into a wealthy and influential Philadelphian family. His paternal grandparents were Stephen Van Rensselaer III (1764–1839) and Cornelia Bell Paterson, the daughter of William Paterson, the 2nd Governor of New Jersey, and later, an Associate Justice of the Supreme Court of the United States. His paternal uncles included Stephen Van Rensselaer IV (1789-1868) and Henry Bell Van Rensselaer (1810–1864). He graduated from Princeton University in 1871.