Noah Greve

Timeline

3500 B.C.Ancient Egyptian

Paper

1870Elisha Gray

Phone

1879Thomas Edison

Light

1842Charles Gabbage

Computers

1876Carl Paul Gottfried van Linde

Fridge

1885Lerado da Vinci

Car

1904King C. Gillete

Razor

1931

Digital Clock

1946Dr. Spencer

Microwave

1973Dr. Martin Cooper

Cellphone