who was the inventor of the deep freezing process?

Answer 1

Birdseye, Clarence, 1886-1956, American inventor and founder of the frozen food industry, b. Brooklyn, N. Y., studied at Amherst College. In 1912 he went to Labrador on a fur-trading expedition and when he returned to the United States in 1916 began experimenting with freezing foods, aiming at commercial application. He developed a method for freezing fish and in 1924 he was one of the founders of the General Foods Company, which began manufacturing various frozen food products. In 1929 the company was bought by the Postum Company (later the General Foods Corp.) for $22 million. By 1949, Birdseye had perfected the anhydrous freezing process, reducing the time needed for the operation from 18 hr to 11/2 hr.

Answer 2

Birdseye, Clarence, 1886-1956, American inventor and founder of the frozen food industry, b. Brooklyn, N. Y., studied at Amherst College. In 1912 he went to Labrador on a fur-trading expedition and when he returned to the United States in 1916 began experimenting with freezing foods, aiming at commercial application. He developed a method for freezing fish and in 1924 he was one of the founders of the General Foods Company, which began manufacturing various frozen food products. In 1929 the company was bought by the Postum Company (later the General Foods Corp.) for $22 million. By 1949, Birdseye had perfected the anhydrous freezing process, reducing the time needed for the operation from 18 hr to 11/2 hr.

Answer 3

The origin of cryogenics can be traced back to 1714 when Gabriel Fahrenheit invented the Fahrenheit scale, which was based on a process of reaching temperatures slightly lower than 0 degrees Fahrenheit (called cryohydrate). This process involved mixing ice with rock salt (which eventually led to the mixing of ice and calcium chloride), which produced temperatures as low as -67 degrees Fahrenheit ("Cryogenics" 1970).

The first discovery which reached into the realms of the modern cryogenic region was made by Dr. Cailletet in 1877, who liquefied oxygen ("Cryogenics" 1970). Heike Kamerlingh Onnes, a Dutch physicist, liquefied Helium in 1908 using much the same process as Dr. Cailletet. This produced the still lower temperature of 4 1/5 degrees Kelvin ("Cryogenics" 1970).

Answer 4

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Answer 5

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