INVENTIONS AND INVENTERS

Horton Automatics developed and sold the first automatic sliding door in America in 1960. The company co-founders Dee Horton and Lew Hewitt invented the sliding automatic door in 1954. Their automatic doors used a mat actuator. - Sliding or Automatic Doors

Assembly Line
Eli Olds invented the basic concept of the assembly line and Henry Ford improved it.

Atomic Bomb
In 1939, Einstein and several other scientists told Roosevelt of efforts in Nazi Germany to build an atomic bomb. It was shortly thereafter that the United States Government began the Manhattan Project, whose research produced the first atomic bomb.

Aluminum Foil
The first mass-produced and widely used metal foil was made from tin. Tin foil was replaced by aluminum foil in 1910. Charles Martin Hall discovered the electrolytic method of producing aluminum cheaply and brought the metal into wide commercial use.

Sarah Shroyer