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challenges

His parents and teachers were very encouraging and challenged him to do experiments and to make designs.

David Crosthwait Jr

David Crosthwait Jr

B

Engineer, inventor and writer David Nelson Crosthwait Jr. was born on May 27, 1898, in Nashville, Tennessee. An African-American pioneer in the field of heating, ventilating and air-conditioning, Crosthwait attended Purdue University, where he studied mechanical engineering. After graduating in 1913, he took a job with the C.A. Dunham Company (now known as Dunham-Bush, Inc.).

orn in Nashville, Tennessee, on May 27, 1898, David Nelson Crosthwaite Jr. studied mechanical engineering at Purdue University before taking a job with the C.A. Dunham Company (now Dunham-Bush, Inc.). At Dunham, Crosthwait conducted innovative research, and designed the heat system for Rockefeller Center and Radio City Music Hall. He held 119 patents—39 in the U.S. and 80 internationally—all in relation to heating, cooling and temperature regulating technology

DEATH

Crosthwait officially retired from Dunham in 1969, after serving as an advisrr since 1930. He died on February 25, 1976, in West Lafayette, Indiana

quotes

five facts

Accomplishments

The great charm of poetry consists in lively pictures of the sublime passions, magnanimity, courage, disdain of fortune; or those of the tender affections, love and friendship; which warm the heart, and diffuse over it similar sentiments and emotions.

He won a medal from the National Technological Association in the 1930s and was made a fellow of the American Society of Heating, Refrigeration and Air Conditioning Engineers in 1971—making him the first African American to receive the honor.

1. Engineer, Inventor, Journalist

2. He was the first African-American fellow of the American Society of Heating, Refrigeration and Air Conditioning Engineers.

3. David Crosthwaite Jr. studied mechanical engineering at Purdue University .

4. He won a medal from the National Technological Association in the 1930s and was made a fellow of the American Society of Heating, Refrigeration and Air Conditioning Engineers in 1971—making him the first African American to receive the honor.

5. He died on February 25, 1976, in West Lafayette, Indiana.

pictures

what occurred in his lifetime

society

relations

contribution

he built the air conditioning to keep the houses cold and refreshed.

there is relations because that is he is like a guy that goes to your house and fixes your ac.

the first electric car belong to Henry Lindfield

Spanish-American War: The USS Maine explodes and sinks in Havana harbor, Cuba, for then-unknown reasons, killing 266 men. This event helps lead the United States to declare war on Spain.

The first games of the Italian Football League are played

crosthwait patented 39 united state invention and 60 international patents for his work on heating system ,refrigeration ,vacuum pumps,and temperature regulating devices.

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