Short answers, pulled from the story.
The crew consisted of Commander Charles Pete Conrad, Command Module Pilot Richard Dick Gordon, and Lunar Module Pilot Alan Bean. All three men held the rank of commander in the United States Navy when they flew this mission.
Apollo 12 touched down at 110:32:36.2 UTC on the 19th of November 1969 just 180 meters from the Surveyor probe. Engineers had designated the site known as Surveyor crater for landing based on scientific goals rather than safety margins alone.
Lightning struck the Saturn V rocket thirty-six point five seconds after lift-off triggering a voltage transient that knocked all three fuel cells offline. John Aaron Electrical Environmental and Consumables Manager instructed the crew to switch the SCE to Aux which restored power to the spacecraft systems.
The astronauts collected 34 kilograms of samples while traveling up to 720 meters from the LM during their second EVA. They deployed the Apollo Lunar Surface Experiments Package and gathered material including a core tube full of lunar regolith.
All powered ALSEP experiments that remained active were deactivated on the 30th of September 1977 principally because of budgetary constraints. The Lunar Atmosphere Detector returned only a small amount of useful data before its power supply failed soon after activation.