Complete the WIU Summer 2017 Financial Aid Application to determine aid eligibility for the Summer 2017 semester. For additional information you may visit the Summer Aid Information page.
Explore Telephone Solar, Tone Telephone, and more! Dr. Shirley Jackson invented solar cell, fiber optic cables making caller id and call waiting possible, portable fax, and touch tone phone!
Valdemar Poulsen in the year 1898 invented the answering machine. In the year 1935, Willy Muller created the first automatic answering device. It is also known as message machine or telephone answering machine.