Alfonso Marconi become capable of spanning greater distances and would prove valuable both commercially and militarily. Alfonso Marconi was a director of the American International Marine Communication Company and an avid collector of stringed instruments. He died suddenly at a London hotel on the evening of Friday 24 April 1936 following a heart attack (his brother died following a heart attack in 1937). Alfonso Marconi Alfonso Marconi (18651936) was an Italian businessman and collector of stringed instruments, most famous for assisting his younger brother Guglielmo Marconi in his pioneering work on long-distance radio transmission Alfonso Marconi was born into the Italian nobility
Reginald Fessenden earlier and owned it for the rest of his life. 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. Fessenden is best known for his pioneering work developing radio technology, including the foundations of amplitude modulation (AM) radio. His achievements included the first transmission of speech by radio (1900), and the first two-way radiotelegraphic