Georgy Voronoy1868–1908
Voronoi decomposition
Ukrainian mathematician whose nearest-point decomposition now appears across geometry, crystallography, ecology and computational design.
Sites from the seed, cells from the nearest-site rule. Some cells fill with copies of themselves, each ring an even step inside the last, like the rings of a contour map.
Georgy Voronoy, 1908

Sites from the seed, cells from the nearest-site rule. This is the tessellation as a drawing, not a cage for particles. The same seed and count as Delaunay Mesh give the dual.
Behind the mathematics
Voronoi decomposition
Ukrainian mathematician whose nearest-point decomposition now appears across geometry, crystallography, ecology and computational design.