In geometry, the Wallace–Bolyai–Gerwien theorem, named after William Wallace, Farkas Bolyai and P. Gerwien, is a theorem related to dissections of polygons...

Farkas Bolyai (Hungarian: [ˈfɒrkɒʃ ˈboːjɒi]; 9 February 1775 – 20 November 1856; also known as Wolfgang Bolyai in Germany) was a Hungarian mathematician...

dimensions is "yes" and had been known for a long time; this is the Wallace–Bolyai–Gerwien theorem. Unknown to Hilbert and Dehn, Hilbert's third problem was also...

Waldhausen's theorem (geometric topology) Wallace–Bolyai–Gerwien theorem (discrete geometry) Walter theorem (finite groups) Weber's theorem (algebraic curves)...

William Wallace proves that any two simple polygons of equal area are equidecomposable, later known as the Wallace–Bolyai–Gerwien theorem. Samuel Hahnemann...

axis-parallel cuts and translations. In two dimensions, the Wallace–Bolyai–Gerwien theorem from the early 19th century states that any two polygons of...

triangle (pictured) in his 1907 book The Canterbury Puzzles. The Wallace–Bolyai–Gerwien theorem, first proven in 1807, states that any two equal-area polygons...

about polygons with an equal area, that later became known as the Bolyai–Gerwien theorem. His most important contribution to British mathematics however...

Forsyth. William Wallace proves that any two simple polygons of equal area are equidecomposable, later known as the Bolyai–Gerwien theorem. 27 March – Lauderdale...