Paul Tillich
The German-American theologian who said English has two words for being alone, for its pain and its glory.
Books
The Courage to Be1952Based on his 1950 Terry Lectures, on the anxieties people carry and the courage it takes to live with them.

Mentioned in

How do you paint loneliness?
How do you paint sadness and loneliness with no face and no symbol? From Bruegel’s Icarus to Picasso’s blue and Friedrich’s ship, and why every viewer finishes a painting with their own life.