Still later, Sam Loyd (1841-1911) disproved Dudeney's assertion of uniqueness by giving a second "unique" solution in one of his puzzle books, and the famous problem became known as the "Dudeney-Loyd problem".
Still later, Sam Loyd (1841-1911) disproved Dudeney's assertion of uniqueness by. Still later, Sam Loyd (1841-1911) was giving a second "unique" solution in one of his puzzle books. Still the famous problem became known as the "Dudeney-Loyd problem".