Emanuel Swedenborg, Swedish astronomer, philosopher, and theologian (died 1772)

Emanuel Swedenborg (; Swedish: [ɛˈmɑ̂ːnʉɛl ˈsvêːdɛnˌbɔrj] ; born Emanuel Swedberg; was a Swedish polymath; scientist, engineer, astronomer, anatomist, Christian theologian, philosopher, and mystic. He became best known for his book on the afterlife, Heaven and Hell.

January 29 is the 29th day of the year in the Gregorian calendar; 336 days remain until the end of the year.