Question: How big was the crew on the "Lunniy Orbitalny Korabl"?
About the article "Space Race", section "Soviet Moon program".

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Sergei Korolev, the lead Soviet rocket engineer and spacecraft designer during the 1950s and 1960s, planned to adopt the same lunar orbit rendezvous concept as seen in the Apollo Program.
The Lunar expedition spacecraft L3 consist of LOK "Lunniy Orbitalny Korabl" (Soyuz 7K-L3) Command Ship (a variant of the Soyuz) and LK Lander.
L3 would carry a two-man crew atop a single three-stage superheavy N-1 booster.
A fourth stage, the Block G, would push toward the Moon the L3 (LOK+LK) with Block D as fifth stage. 
The Soviet Union had planned to divide their lunar program into two separate manned programs: circumlunar flights in 1967 and lunar landings from 1968.
The circumlunar missions were to be launched by a UR-500 rocket, later known as the Proton.
The cosmonauts would be flown to the Moon in the Soyuz 7K-L1 (Zond), which made four unsuccessful unmanned flights between 1967 and 1970.
One flight of the Zond was, however, successful and returned its non-human passengers (tortoises) to Earth; had it been used for a manned circumlunar mission, the flight would have carried two cosmonauts.
The Soviet lunar landing missions would use spacecraft derived from the Soyuz 7K-L1.
The orbital module (Soyuz 7K-L3), the ""Lunniy Orbitalny Korabl"" (LOK), had a crew of two.
The LOK and a separate lunar lander, the ""Lunniy Korabl"" (LK), had 40% of the mass of the Apollo CSM/LM due to the launch vehicle's capabilities.
The launch vehicle would have been the N1 rocket, which was roughly the same height and takeoff mass as the American Saturn V, exceeded its takeoff thrust by 28%, and yet had roughly half the TLI payload capability.
The N1 was unsuccessfully tested four times, exploding each time due to problems with the first stage's thirty engines.
The Soviet leadership cancelled the program in 1970 after the first two successful American Moon landings.
The Block D engine would also slow the L3 into lunar orbit.
Following the coast to the Moon, one cosmonaut would spacewalk from the LOK to the LK ("Lunniy Korabl") lander and enter it.
He would then separate the Block D stage and the LK from the LOK before dropping toward the Moon using the Block D engine. 
The final plan for a manned landing adopted the same method of single launch and lunar orbit rendezvous as the Apollo project, but had differences in some details and technical data.
Despite the fact that the planned Soviet Moon expedition was carried at a single launch like Apollo, for mission safety, some two to three weeks before at least the first manned missions, an LK-R in unmanned L3 complex and two Lunokhod automated moon rovers would be sent to the Moon.
They worked as radio beacons for manned LK, with the LK-R being used as a reserve "escape" craft to return from the Moon, and the Lunokhods were additionally equipped with manual controls for the cosmonauts for transfer to LK-R in necessity and for regular researches both.
The N1 rocket carried the L3 Moon expedition complex that consisted of two spacecraft (LOK and LK) and two (Block G and Block D) boosters.
A variant of the Soyuz craft, the "Lunniy Orbitalny Korabl" (LOK) command ship, carried two men, and consisted of three modules like the regular Soyuz 7K-OK, but was heavier by a few tons.
The 7K-OK was half the mass of the three-man Apollo orbital craft (command ship).
The "Lunniy Korabl" (LK) carried one cosmonaut, so in the Soviet expedition one cosmonaut alone would land on Moon, while in Apollo two would.
The mass of the LK was 40% the mass the Apollo lunar lander.
The total mass of the L3 complex placed in LEO by the N1 was 93 tons compared to Saturn V's 137 tons.
The total mass of the LOK and LK was 40% of the full Apollo complex, but was equivalent to the L3 complex without Block G. The booster for the LEO toward the Moon for the Apollo vehicle was provided by the last stage of the Saturn V, while for the Block D, LOK and LK, this was to be provided by Block G of the same L3 complex.
During the L3 complex's journey to the Moon, there was no need to undock and redock the orbital and landing craft as in Apollo, because the cosmonaut would transfer from the LOK to LK by a "spacewalk", while in Apollo this operation was executed by an internal passage.
Block D slowed the LOK and LK into lunar orbit, while in the Apollo complex this phase was undertaken by firing the engine on the service module (the Apollo complex traveled with the Command Module and Lunar Excursion Module (LEM) facing back towards the Earth) to slow the complex and enter lunar orbit.
Once in orbit, the LK with Block D would separate from the LOK and descend toward the surface of Moon using the Block D engine.
After Block D exhausted its fuel, the LK was to separate and complete landing using its own engine.
On the Moon, the cosmonaut would undertake moonwalks on foot and by Lunokhods, collect rocks, and plant the Soviet flag.
After a few hours on the lunar surface, the LK's engine would fire again using its landing structure as a launch pad, as with Apollo.
To save weight, the engine used for landing would also blast the LK back to lunar orbit for an automated docking with the LOK.
The cosmonaut then would spacewalk back to the LOK carrying the Moon rock samples, with the LK being cast off.
After this, the LOK would fire its rocket for the return to Earth.
After the US won the final (Moon-landing) phase and the whole of the Moon Race in 1969, the justification for the Soviet lunar landing program evaporated, although development and testing continued into the early 1970s.
In 1970–1971 the LK was completely ready after three unmanned test flights on LEO (Kosmos 379, Kosmos 398, Kosmos 434), and the LOK was launched once (Kosmos 382 aka 7K-L1E dummy of 7K-LOK).
The Krechet lunar spacesuit and other support systems were tested.
Four N1 test launches were attempted in 1969, 1971, and 1972 and all were failures, despite engineering improvements after each crash.
The second launch attempt on 3 July 1969, just 13 days prior to the launch of Apollo 11, was a catastrophic failure which destroyed both the rocket and the launch complex, and this delayed the N1-L3 program for two years more.
For automatic Moon flyby, at these two first launches the N1 carried the 7K-L1S spacecraft (modified 7K-L1), while dummy 7K-LOK (7K-L1E) and regular 7K-LOK with dummy LKs at both were at third and fourth launches.
Subsequently, the complete L3 lunar expedition complex with regular 7K-LOK and regular LK for Moon flyby and landing by full unmanned mission of future manned scenario was prepared for fifth launch of modified N1 rocket on August, 1974.
If this and one subsequent mission had been successful, up to five Soviet manned N1-L3 expeditions would have been launched in 1976–1980.
Also, to gain technical and scientific interest in the program, the modified multi-launched N1F-L3M missions with significantly more time spent on the Moon's surface than with Apollo.
But N1-L3 (as well as N1F-L3M) program was cancelled on May, 1974, and Soviet manned space efforts subsequently concentrated on the development of space stations and on several design and ground preparatory processes for a Mars mission, which continues to the present day, but has unclear objectives.
Laterly proposed moonbase Zvezda, first detailed such project with developed mockups of expedition vehicles and surface modules, and "Vulkan-LEK" project were not adopted for economic reasons.
As some recompense and as a replacement for the manned landing program, the Soviets fulfilled a program of automated delivery of lunar soil and Lunokhods automated moon rovers.
The launch pad and MIK of N1 was redesigned for the Energia-Buran shuttle program.
At least five LKs and three LOKs in various states of construction remain with some units being kept in the designer's and producer's company museums.
Near 150 engines produced for first stages of N1F were kept by manufacturer (Kuznetsov Design Bureau) and sold for use on US launchers around the year 2000. 
A spacecraft of the design "Vostok 3KA" had only been launched once before, which was on March 9, 1961.
This mission was called Korabl-Sputnik 4, and it was a complete success.
Prior to Korabl-Sputnik 4, the two previous missions in the Vostok programme were both launched in December 1960, and both ended in failure.
Only days before the launch of Korabl-Sputnik 5, the cosmonaut team, which consisted of 20 men, experienced its first fatality.
Cosmonaut candidate Valentin Bondarenko was killed in a fire during a training exercise in an oxygen-rich isolation chamber.
It's not clear whether other cosmonauts were told of his death; the media didn't learn of Bondarenko's death - or even of his existence - until many years later, in 1986.