▁Fran ço ise ▁Bro ch ard - W y art , ▁David ▁Qu éré , ▁Cap ill ar ity ▁and ▁W et ting ▁Ph en omena : ▁Dro ps , ▁B ub bles , ▁Pear ls , ▁W aves , ▁Springer ▁( 2 0 0 4 ) ▁Jacob ▁Israel ach v ili , ▁Inter m ole cular ▁and ▁Sur face ▁Forces , ▁Academ ic ▁Press ▁( 1 9 8 5 – 2 0 0 4 ) ▁D . W . ▁Van ▁Kre vel en , ▁Properties ▁of ▁Pol ym ers , ▁ 2 nd ▁re vised ▁edition , ▁Else vier ▁Scient ific ▁Publishing ▁Company , ▁Amsterdam - O x ford - New ▁York ▁( 1 9 7 6 ) ▁ ▁C leg g , ▁Carl ▁Ang le ▁Made ▁E asy ' ', ▁ram é - hart ▁( 2 0 1 3 ), ▁▁ ▁Category : Angle ▁Category : Cond ensed ▁matter ▁physics ▁Category : Fl uid ▁mechan ics ▁Category : Sur face ▁science ▁Category : H yst er esis <0x0A> </s> ▁Frederick ▁D rach ▁T app ert ▁( A pril ▁ 2 1 , ▁ 1 9 4 0 ▁– ▁January ▁ 9 , ▁ 2 0 0 2 ) ▁was ▁an ▁American ▁phys ic ist ▁whose ▁primary ▁contributions ▁were ▁in ▁under water ▁ac oust ics . ▁ ▁He ▁is ▁noted ▁for ▁the ▁development ▁of ▁the ▁par abol ic ▁equation ▁model ▁and ▁split - step ▁Fourier ▁algorithm ▁for ▁elect romagnet ic ▁and ▁ocean ▁ac oust ic ▁propag ation . ▁ ▁Fred ▁T app