Question:  Lunar Expeditionary Complex was proposed by which designer of Soviet rocket engines?
Sentence (from "Lunar Expeditionary Complex"): The LEK Lunar Expeditionary Complex was a lunar expedition and moonbase proposed by Valentin Glushko in 1974 as a Soviet response to the United States' Apollo program and as successor of Zvezda moonbase that based on closed N1-L3 manned moon expedition program.
Relevant evidence: Yes