at , ▁who ▁was ▁the ▁first ▁director - general ▁of ▁the ▁University ▁Affairs ▁Department ▁in ▁the ▁Ministry ▁of ▁Education , ▁established ▁the ▁Fac ulty ▁of ▁Arts ▁and ▁Science ▁together ▁with ▁other ▁fac ult ies ▁in ▁the ▁university , ▁namely , ▁engineering , ▁medicine , ▁and ▁political ▁science . ▁ ▁During ▁its ▁initial ▁stages , ▁the ▁Fac ulty ▁of ▁Arts ▁and ▁Science ▁placed ▁emphas is ▁on ▁courses ▁related ▁to ▁pre - med ic ine : ▁chem istry , ▁bi ology , ▁and ▁physics . ▁Stud ents ▁could ▁also ▁take ▁classes ▁in ▁English , ▁French , ▁and ▁history . ▁In ▁ 1 9 2 8 , ▁it ▁offered ▁a ▁three - year ▁program ▁to ▁grant ▁a ▁secondary - school ▁teaching ▁certificate . ▁During ▁the ▁first ▁two ▁years , ▁students ▁in ▁the ▁program ▁had ▁to ▁take ▁classes ▁required ▁for ▁gradu ation ▁from ▁the ▁Fac ulty ▁of ▁Arts . ▁These ▁included ▁Th ai , ▁P ali , ▁English , ▁French , ▁history , ▁D ham m av ip ak , ▁and ▁mathematics . ▁Later , ▁German ▁was ▁added ▁to ▁the ▁program . ▁In ▁the ▁third ▁year , ▁students ▁had ▁to ▁ful fill ▁requirements ▁in ▁ped ag ogy . ▁In ▁ 1 9 3 0 , ▁a ▁three - year ▁program ▁in ▁science ▁was ▁launched . ▁Stud ents ▁were ▁made ▁to ▁take ▁courses ▁in ▁science ▁during ▁their ▁first ▁two ▁years ▁and ▁complete ▁the ▁requirements ▁in ▁ped ag ogy ▁in ▁the ▁third ▁year ▁before ▁they ▁were ▁granted ▁a ▁certificate . ▁ ▁The ▁program ▁was ▁further ▁developed ▁to ▁offer ▁a