Who is the inventor of camera?
Ibn al-Haytham, an Iraq scientist invented the first camera in 1015. In 1660s, Robert Hooke and Robert Boyle invented a portable camera. For general photographs, a sophisticated and portable camera was invented by Johann Zhan in 1685. James clerk Maxwell took the first color picture in 1861. Who is the inventor of calculator? To perform mathematical calculations, a device called Calculator was invented. Mechanical calculator was introduced by Blaise Pascal in 1940s. Who is the inventor of the telephone? The inventor of the telephone is Alexander Graham Bell in the year 1876. He was an inventor as well as United States scientist who was born in 1847. Today the whole world is connected with the help of millions of telephone lines. These are linked together by a very complicated network. This network consists of telephone calls, computer data as well as radio signals. Who is the inventor of cell phones? The cell phone was invented by Martin Cooper, a Motorola researcher and acquired a US
