[noncount] : a quality that makes you continue trying to do or achieve something that is difficult. 1  What he lacked in talent he made up for in determination. 2  dogged/fierce/steely/stubborn determination.
The first modern solution of general relativity that would characterize a black hole was found by Karl Schwarzschild in 1916, although its interpretation as a region of space from which nothing can escape was first published by David Finkelstein in 1958.
Richard T. Greener, First Black Harvard Alum, Diploma Discovered In Condemned Chicago House. An abandoned home near 75th and Sangamon, on Chicago's South Side, was the unlikely hiding place for an important piece of black history -- the papers of Richard Theodore Greener, Harvard's first African-American alumnus.