▁of ▁the ▁artist , ▁in ▁ 1 9 2 7 . ▁Al ong ▁with ▁other ▁leading ▁figures ▁of ▁the ▁day , ▁he ▁contributed ▁to ▁An ▁Out line ▁of ▁Modern ▁Know ledge ▁( 1 9 3 1 ). ▁ ▁S ull ivan ▁continued ▁to ▁write ▁for ▁the ▁Ath ena e um ▁following ▁its ▁incorpor ation ▁into ▁The ▁Nation ▁in ▁ 1 9 2 1 , ▁but ▁also ▁found ▁out lets ▁in ▁other ▁journ als ▁and ▁newsp apers , ▁including ▁the ▁Times ▁Liter ary ▁Supp lement ▁( T LS ), ▁and , ▁from ▁ 1 9 2 3 ▁on wards , ▁Murray ’ s ▁journal ▁The ▁Adel phi . ▁ ▁In ▁the ▁late ▁ 1 9 2 0 s ▁and ▁early ▁ 1 9 3 0 s ▁his ▁main ▁journal istic ▁out lets ▁were ▁more ▁popul ist ▁journ als ▁such ▁as ▁The ▁Out look , ▁John ▁O ’ Lond on ’ s ▁Week ly , ▁and ▁Ever yman . ▁ ▁He ▁also ▁wrote ▁a ▁number ▁of ▁books , ▁including ▁Be eth oven ▁( 1 9 2 7 ), ▁The ▁B ases ▁of ▁Modern ▁Science ▁( 1 9 2 8 ), ▁and ▁Lim itations ▁of ▁Science ▁( 1 9 3 3 ). ▁ ▁Contempor ary ▁Mind ▁( 1 9 3 4 ) ▁repr int ed ▁inter views ▁with ▁contemporary ▁scient ists ▁and ▁think ers ▁that ▁had ▁first ▁appeared ▁in ▁The ▁Ob server ▁in ▁ 1 9 3 0 – 3 1 . ▁ ▁S ull ivan ▁separated ▁from ▁his ▁first ▁wife ▁in ▁ 1 9 2