ør ge ▁Bak ▁was ▁an ▁active ▁member ▁of ▁the ▁Dan ish ▁Res istance , ▁working ▁over t ly ▁as ▁a ▁volunte er ▁fire fig h ter ▁in ▁order ▁to ▁gather ▁secret ▁documents ▁and ▁material ▁after ▁organized ▁bomb ings . ▁ ▁M embers hips ▁The ▁Royal ▁Dan ish ▁Academy ▁of ▁Sciences ▁( 1 9 5 8 ) ▁The ▁Dan ish ▁Academy ▁of ▁Techn ical ▁Sciences ▁( 1 9 6 1 ) ▁The ▁Royal ▁Phys i ographic ▁Society ▁of ▁Sweden , ▁Lund ▁( 1 9 6 9 ) ▁The ▁Royal ▁Swedish ▁Academy ▁of ▁Sciences ▁( 1 9 7 4 ) ▁Norwegian ▁Academy ▁of ▁Science ▁and ▁Let ters ▁( 1 9 7 5 ) ▁ ▁Hon ours , ▁decor ations , ▁awards ▁and ▁dist in ctions ▁N omin ator ▁of ▁the ▁Swedish ▁Academy ▁for ▁the ▁proposal ▁of ▁the ▁Nobel ▁Prize ▁in ▁Chem istry ▁Knight ▁of ▁Dan ne bro g ▁ 1 st ▁Class ▁Knight ▁of ▁Dan ne bro g ▁Found er ▁of ▁The ▁Dan ish ▁Society ▁of ▁M ole cular ▁Spect ro sc opy ▁" D ansk ▁For ening ▁for ▁M ole k yl spe kt ro sk op i " ▁( 1 9 5 4 ) ▁Es so - p ri ze ▁( 1 9 5 7 ) ▁ ▁Selected ▁bibli ography ▁Bak , ▁B ør ge . ▁Det ▁Ind rem ole k yl æ re ▁Pot ential , ▁Et ▁Stud ium ▁over ▁Val ensk r æ f tern es ▁Natur ▁Pa a ▁Bas is ▁Af ▁M ole k yl spe ktr ene . ▁K