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Black History Month

Across
He was a self-taught engineer with a number of important inventions. His most notable invention was a refrigeration machine used to transport blood, food, and medicine during World War II.
She is a contemporary inventor and ophthalmologist from Harlem, New York. She is the first black female doctor to receive a medical patent. In 1986, she invented the Laserphaco Probe, which has revolutionized the treatment of cataracts.
He was born in Nigeria in 1954. Although he came of age during a brutal civil war, he earned many advanced degrees including a Ph.D. in scientific computing. In 1989, he created the world’s fastest computer.
He was born in Pennsylvania in 1856. He would go on to become a physician and surgeon. In 1891, he founded the first integrated hospital, and just two years later, he became the first person to successfully complete open-heart surgery.
Born in 1848 to runaway slaves, he became an inventor and engineer. In addition to his invention of one of the earliest air conditioning units, he assisted in the development of some of the world’s most important inventions, including the light bulb and the telephone.
Born in Kentucky in 1877, he is the inventor of something many utilize everyday, the traffic signal. He created this after witnessing so many accidents on busy urban intersections. In addition to this, he created the gas mask which grew in popularity when it was used to aid workers after an underground explosion.
He was born in Washington, D.C. in 1904. As a surgeon, researcher, and inventor, he invented the modern blood banks. Since World War II, his invention has gone on to save thousands of lives.
Down
Born to freed slaves in 1731, he became an astronomer, author, inventor, mathematician, and surveyor. He invented some of the most effective clocks of his time, planned out the city of Washington, D.C., and published six almanacs that each included political and social commentary, particularly advocating for the rights of slaves and free blacks.
In addition to other inventions, he created the chamber commode in 1872. It included a mirror, washstand, mirror, and more
Known as “the wealthiest colored man in the Northwest,” he created an automatic device to open and close elevator doors. Because of his invention, we are able to enjoy this modern luxury.