René Char
Michel Foucault
José Ángel Valente
Werner Heisenberg
Barnett Newman
Hermann Minkowski
Fritjof Capra
Fritjof Capra
Eduardo Chillida
Buddhist Sutra
Rubaiyat de OMAR KHAYYAM
Jorge de Oteiza
George Santayana
James Joyce, Finnegans Wake
Mark Rothko
Pablo Palazuelo
Mark Strand, Blizzard of One
T. S. Eliot, Four Quartets
Derek Walcott
W. H. Auden, An unwritten poem
Hölderlin, letter of the first stay in Homburg

The author of the photographs is Paco Villarrubia, except the image of Minkowski as an unknown author.