A Necessary Truth—
James Singer, "A Theorem in Finite Projective Geometry
and Some Applications to Number Theory," Transactions
of the American Mathematical Society 43 (1938), 377-385.
A Contingent Truth—
Singer Tony Martin reportedly died Friday evening, July 27, 2012.
In his memory, some references to a "Singer 7-Cycle."
See also this journal 7 years prior to Martin's death.