John HART

Born

abt. 1924 ,

Died

abt. 1972 ,

Parents & Family of John HART

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Born: abt. 1924

Father: Unknown

Mother: Unknown

Spouse(s)/Partner(s) and Child(ren):

John married Rita I ST. JEAN . The couple had (at least) 1 child.
Rita I ST. JEAN was born abt. 1924 in Fall River, Massachusetts, USA. Rita I died 25 October 2013 in Auburn, Massachusetts, USA . Rita I was the child of Joseph ST. JEAN and Marion (Marianne) DUNN.

John HART died abt. 1972
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Spouse & Children of John HART

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John HART married

Rita I ST. JEAN
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Rita I ST. JEAN was the child of Joseph ST. JEAN and Marion (Marianne) DUNN

Children of John HART and Rita I ST. JEAN

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1927 - The aerosol can is invented (Erik Rotheim, Norway)

1928 - Sliced bread (bread slicing machine) is invented by Otto Frederick Rohwedder (United States)

1930 - Scotch tape is invented (Richard Drew (3M), United States)

In 1930, on February 18, Pluto was discovered by astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona, marking a significant milestone in the study of our solar system.

1931 - The paper towel is invented (Arthur Scott, United States)

1934 - The metal beverage can is invented (American Can Co., United States)

1935 - The snowmobile was invented by Joseph Bombardier (Quebec, Canada)

1938 - The ballpoint pen is invented (Lazlo Biro, Hungary)

1938-1944 - Sunscreen is invented (Franz Greiter, Switzerland and Benjamin Green, United States)

1938 - October 27 - Du Pont announces a name for its new synthetic yarn: nylon.

1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA

1945 - The atomic bomb is invented (J. Robert Oppenheimer, et al., United States)

The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking.

1948 - Velcro is invented (George de Mestral, Switzerland)

1968 - The ATM is invented (Don Wetzel, United States)

RECORD HISTORY