Rudolf Christoph Eucken, German philosopher and author, Nobel Prize laureate (died 1926)

Rudolf Christoph Eucken was a German philosopher. He received the 1908 Nobel Prize in Literature "in recognition of his earnest search for truth, his penetrating power of thought, his wide range of vision, and the warmth and strength in presentation with which in his numerous works he has vindicated and developed an idealistic philosophy of life", after he had been nominated by a member of the Swedish Academy.

The Nobel Prize in Literature, here meaning for Literature, is a Swedish literature prize that is awarded annually, since 1901, to an author from any country who has, in the words of the will of Swedish industrialist Alfred Nobel, "in the field of literature, produced the most outstanding work in an idealistic direction". Though individual works are sometimes cited as being particularly noteworthy, the award is based on an author's body of work as a whole. The Swedish Academy decides who, if anyone, will receive the prize.

January 5 is the fifth day of the year in the Gregorian calendar; 360 days remain until the end of the year.