How far can a spark travel? A.S. Popov, standing right here in Saint Petersburg, pondered that very question. He wasn’t thinking about a physical spark, like from a fire. He was thinking about the sparks of electricity, the invisible waves that Heinrich Hertz had recently proven to exist. A.S. Popov, a professor at the Imperial Electrotechnical Institute, was fascinated by these Hertzian waves. He saw their potential beyond the laboratory. Here at the Electrotechnical Institute, Popov began experimenting. He tweaked and refined existing designs, particularly the coherer, a device used to detect these faint electrical signals. Popov added a clever self-tapping mechanism. This allowed his device to detect multiple, successive discharges, a significant improvement. His initial goal was to create a lightning detector. He wanted to warn of approaching thunderstorms by detecting the electromagnetic pulses of lightning strikes. A.S. Popov succeeded in this endeavor. In 1895, he presented his lightning detector to the Russian Physical and Chemical Society. However, Popov’s ambition didn’t stop there. He envisioned using these waves for communication. He correctly predicted that his apparatus, with a powerful enough generator, could transmit signals over great distances. A.S. Popov’s vision became a reality on March 24, 1896. He transmitted a message in Morse code, “HEINRICH HERTZ”, between buildings on the St. Petersburg University Campus. This was a remarkable achievement. It marked a crucial step in the development of radio technology. A.S. Popov’s contributions to wireless communication were substantial. He laid the groundwork for future advancements in the field. Today, as you stand here, consider the journey that spark has taken. From a laboratory curiosity to the wireless world that connects us all. A.S. Popov’s work here in Saint Petersburg was a crucial spark in that journey.
М. К. Прудников
Born into a peasant family in 1913, Mikhail Prudnikov’s journey began in a small village nestled within the Tomsk Governorate.