Aleksandr Leonidovich Zaitsev was a Russian and Soviet radio engineer and astronomer from Fryazino. He worked on radar astronomy devices, near-Earth asteroid radar research, and SETI.
Zaitsev in 2005
The communication with extraterrestrial intelligence is a branch of the search for extraterrestrial intelligence that focuses on composing and deciphering interstellar messages that theoretically coul
The illustration on the Pioneer plaque
Cover of the Voyager Golden Record
Example of a high-resolution pictorial message to potential extraterrestrial intelligence at Proxima Centauri