Question: The Hilbert lunar crater was named after a man that died in what year?

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Chamberlin (lunar crater): Chamberlin is a lunar crater that is located on the far side of the Moon, just past the southeastern limb.  It lies to the southeast of the crater Jeans, and Moulton is attached to the southeastern rim of Chamberlin.  This crater is located in a part of the lunar surface that has undergone resurfacing of crater interiors, producing dark-hued crater floors.

Marius (crater): Marius is a lunar crater located on the Oceanus Procellarum.  The surface to the west and north of this crater contains a large number of lunar domes spread across an area over a hundred kilometers in diameter that may be of volcanic origin dubbed the Marius Hills.  These domes, if volcanic, may have been formed by magma that is fairly more viscous than the volcanic material that formed the basaltic lunar maria.  The nearest named crater feature is Reiner to the southwest.  Kepler is located to the east-southeast, and rays from that formation reach the rim of Marius.

Lipskiy (crater): Lipskiy is a lunar crater on the far side of the Moon.  It lies just to the south of the lunar equator, and is the closest named crater to the antipode of the Earth zenith point.  That is, it lies in the region of the Moon that is the most distant from the Earth.  Lipskiy is located less than one crater diameter to the north of the prominent crater Daedalus.  To the northeast is Krasovskiy.

David Hilbert: David Hilbert (] ; 23 January 1862 – 14 February 1943) was a German mathematician.  He is recognized as one of the most influential and universal mathematicians of the 19th and early 20th centuries.  Hilbert discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.  He also formulated the theory of Hilbert spaces, one of the foundations of functional analysis.

LCROSS: The Lunar Crater Observation and Sensing Satellite (LCROSS) was a robotic spacecraft operated by NASA.  The mission was conceived as a low-cost means of determining the nature of hydrogen detected at the polar regions of the moon.  Launched immediately after discovery of lunar water by Chandrayaan-1, the main LCROSS mission objective was to further explore the presence of water ice in a permanently shadowed crater near a lunar polar region.  It was successful in confirming water in the southern lunar crater Cabeus.

Hilbert (crater): Hilbert is a lunar crater that is located on the far side of the Moon, just past the southeast limb, it is named for David Hilbert.  It lies just beyond the region of the surface that is occasionally brought into view due to libration, and so this feature cannot be observed directly from the Earth.

Kao (crater): Kao is a small lunar crater that is located near the eastern limb of the Moon.  It lies near the southern edge of the Mare Smythii, a lunar mare that continues onto the far side of the surface.  This crater lies to the east-southeast of the crater Widmannstätten.  Less than a crater diameter to the north-northeast is the small crater Tucker.

Plana (crater): Plana is a lunar crater that lies on the boundary between two small lunar mare areas, with Lacus Mortis to the north and the larger Lacus Somniorum on the southern side.  At this location, on Earth, the crater appears oval due to foreshortening, but the crater is actually nearly circular.  It is joined to the crater Mason to the east by a short stretch of rugged ground.  Due north of Plana in the midst of the Lacus Mortis is the prominent crater Bürg.

Donna (crater): Donna is a tiny lunar crater on the near side of the Moon.  It is located in the eastern half of the Mare Tranquillitatis, at the summit of the lunar dome Omega (ω) Cauchy.  As such domes are thought to be volcanic in nature, it appears likely that this crater was created by an eruption.  This is in contrast to most lunar craters, which are now believed to be created by impacts.  This crater is sufficiently small that it requires a large telescope to resolve.

Humboldt (crater): Humboldt is a large lunar crater that is located near the eastern limb of the Moon.  Due to foreshortening this formation has an extremely oblong appearance.  The actual shape of the crater is an irregular circle, with a significant indentation along the southeastern rim where the prominent crater Barnard intrudes.  To the north-northwest of Humboldt is the large crater Hecataeus.  Phillips is attached to the western rim.  The rim of Humboldt is low, worn, and irregular in outline.  The central peak forms a range on the crater floor.  The floor surface contains a network of rilles forming a pattern of radial spokes and concentric arcs.  There are also some dark patches located near the walls to the northeast, northwest, and southeast.  There is a chain of craters leading from the northwest crater rim to a distance almost as long as the crater is wide.  This formation is designated Catena Humboldt.  Due to its location near the lunar limb, little detail was known about this crater until it was photographed by orbiting spacecraft (mainly Lunar Orbiter 4).

Supporting paragraphs: Hilbert (crater) David Hilbert
Answer: 1943