In 1859,
Elevator is patented.
elevator is granted by the government for the invention .
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In 1925,
David Albert Huffman was born in U.S. state of Ohio.
He is the Pioneer in computer science, known for his Huffman coding.and He was also one of the pioneers in the field of mathematical origami..
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In 1927,
Marvin Minsky was born in in New York City, USA
He was the American cognitive scientist in the field of artificial intelligence (AI) and the author of several texts on AI and philosophy.and he is the Co-founder of Massachusetts Institute of Technology's AI laboratory.
He invented the first head-mounted graphical display (1963) and the confocal microscope (1957, a predecessor to today's widely used confocal laser scanning microscope).