People all over the world believe that Italian physicist and engineer Marconi was the inventor of radio. However, many citizens of the former Soviet Union firmly believe that the real inventor of radio was Kronsh in Petersburg, Russia. Popov, Professor of Physics at the Institute of Marine Engineering in Tad. These two men conducted experiments and assembly of radio receivers between 1895 and 1896. However, it was Italian Marconi who first used his Mohr on June 2, 1896. Popov applied for a patent for his signal transmission device. A few months later, he obtained the patent and won the Nobel Prize in Physics in 1909. After that, he established a company named after himself. Popov was born in 1895 showed his radio receiving device on May 7. However, when his receiver received the Morse signal, the interference was greater than the signal. However, the Russians commemorate Popov’s Radio Invention Day every May 7. Although Popov It was already known that Marconi had obtained the patent, but he still continued his experiments and never argued with the Italian about who was the first inventor of the patent. Not only that, the two became friends in 1902 According to the biography of Marconi, he invented radio while experimenting in the attic of his father's house. Because Marconi was fascinated by the study of using electromagnetic waves to send signals into the air, he designed a crude device Unexpectedly, this device later revolutionized the entire communications world. Using this electromagnetic wave transmitting device, the antenna invented by Popov, and the metal detector invented by Bradley, he successfully carried out the first long-distance signal propagation. Fully confident in his invention, Marconi moved to England after he realized that the Italian government was ignoring his experiments. He established his first company in 1897; the Wireless Telegraph and Telecommunications Co., Ltd. Later, it was renamed Marconi Wireless Telegraph Co., Ltd. After that, Marconi focused his energy on research to increase the transmission power and distance, but he did not pay enough attention to the tuning between the transmitting and receiving devices. The most important attempt of this great initiative It was a radio contact between Europe and America in 1901. This attempt successfully received a Morse wave signal; 3 "amp; S226;", the letter "S", with a transmission distance of 3,500 kilometers. Russia The Physical Society had requested recognition of Popov as the inventor of radio after his premature death in 1905 at the age of 46. In 1925, Victor Gabel, head of the Soviet Weights and Measures Office, also requested that Popov be given more recognition, because according to him, Popov had sent a signal using Morse code as early as May 24, 1896, at an annual meeting of the Russian Society of Chemical Physics. Many Russian biographies said that Popov was Inventor of radio, and curiously the claim continues today. British historian and engineer Ralph Barrett said: "The priority of this invention is already indicated by the patent of 1896. I Samples assembled based on original devices prove the limitations of what Popov developed."