Miguel de Unamuno
From BoyWiki
Spanish philosopher, died 1936. Professor of Greek, then Chanciler, of the University of Salamanca. Wrote the novel "Amor y pedagogía" ("Love and Pedagogy"). Spain's leading intellectual in the 1920-1936 period, if not earlier.
Died of natural causes, in his sleep, under house arrest, at the outset of the Spanish Civil War. Had studied the topic of death (philosophically, not medically), and opined that to die while sleeping was the best way.