▁Cle ave ▁( born ▁ 1 9 7 2 ), ▁American ▁author ▁and ▁teacher ▁William ▁Van ▁Cle ave , ▁former ▁ad visor ▁to ▁President ▁Ron ald ▁Re agan ▁ ▁See ▁also ▁Van cle ave , ▁Mississippi , ▁United ▁States , ▁a ▁census - design ated ▁place ▁Cle ve ▁( s urname ), ▁includes ▁Van ▁Cle ve ▁Van ▁Cle ef , ▁a ▁surname ▁ ▁Category : S urn ames ▁of ▁Dutch ▁origin <0x0A> </s> ▁Vik enty ▁Vik ent ye v ich ▁P ash uk an is ▁( ; ▁ 1 8 7 9 – 1 9 2 0 ) ▁was ▁a ▁secretary ▁of ▁the ▁publishing ▁house ▁" Mus aget " ▁and ▁a ▁founder ▁of ▁" P ash uk an is ' ▁Publishing "; ▁after ▁the ▁Russian ▁Revolution ▁( 1 9 1 7 ) ▁he ▁was ▁an ▁organ izer ▁of ▁museum s . ▁ ▁Vik enty ▁P ash uk an is ▁was ▁born ▁in ▁Moscow , ▁Russia . ▁His ▁father ▁was ▁a ▁Lith uan ian ▁from ▁Ka unas ▁and ▁worked ▁as ▁a ▁teacher ▁in ▁the ▁g ymnasium . ▁P ash uk an is ▁graduated ▁from ▁the ▁mathematical ▁department ▁of ▁Moscow ▁University . ▁After ▁gradu ation , ▁he ▁worked ▁as ▁an ▁ex cis eman . ▁In ▁ 1 9 1 4 , ▁P ash uk an is ▁became ▁a ▁secretary ▁and ▁a ▁commercial ▁director ▁of ▁" Mus aget " ▁- ▁Moscow ▁publishing ▁house ▁of ▁symbol ists . ▁After ▁the ▁beginning ▁of ▁World ▁War ▁I ▁Emil ▁Med t ner , ▁who ▁was ▁one ▁of ▁the ▁found ers