den ▁Apost ol ov ; ▁ 1 9 ▁August ▁ 1 9 4 8 ▁– ▁ 2 2 ▁October ▁ 2 0 1 2 ) ▁was ▁a ▁Bulgar ian ▁ge ograph er , ▁the or ist , ▁writer ▁and ▁professor ▁at ▁the ▁Department ▁of ▁Econom ics ▁and ▁Organ ization ▁of ▁Tour ism , ▁fac ulty ▁Management ▁at ▁University ▁of ▁Econom ics ▁– ▁V arna , ▁Bulg aria . ▁ ▁Biography ▁▁ ▁N ay den ▁Apost ol ov ▁was ▁born ▁in ▁Bog dan , ▁Kar lo vo , ▁Bulg aria ▁on ▁ 1 9 ▁August ▁ 1 9 4 8 . ▁Upon ▁gradu ating ▁from ▁primary ▁school ▁in ▁Kar lo vo , ▁Bulg aria , ▁he ▁studied ▁at ▁the ▁School ▁of ▁Indust rial ▁Chem istry ▁in ▁Dim it rov grad ▁from ▁ 1 9 6 3 ▁to ▁ 1 9 6 7 ▁and ▁earned ▁a ▁di pl oma ▁for ▁secondary ▁education ▁on ▁ 3 0 ▁July ▁ 1 9 6 7 ▁with ▁a ▁degree ▁in ▁Technology ▁of ▁organ ic ▁and ▁in organ ic ▁subst ances ▁and ▁qual ifications ▁average ▁chem ist ▁techn ologist . ▁During ▁the ▁academic ▁year ▁ 1 9 6 9 – 7 0 , ▁he ▁started ▁his ▁studies ▁in ▁Ge ology ▁and ▁Geography ▁Department ▁of ▁Sof ia ▁University ▁with ▁a ▁degree ▁in ▁Geography . ▁He ▁graduated ▁with ▁hon ors ▁on ▁ 1 3 ▁November ▁ 1 9 7 3 ▁with ▁qual ification ▁ge ograph er ▁and ▁econom ics - ge ograph er , ▁a ▁professor ▁of ▁ge ography ▁and ▁history ▁in