
vilyam vaatsan (shaasthranjan)

sarr vilyam vaatsan, efrs (3 epril 1715-10 meyy 1787) landanil janikkukayum marikkukayum cheytha oru britiish vaidyan shaasthranjanumaayirunnu. addehathinte aadyakaala pravartthanangal sasyashaasthrathilaayirunnu, carolus linneyasinte srishtikal englandilekku avatharippikkan addeham sahayichu. 1741ll addeham royal sosaittiyude amgavum 1772ll vais presidentum aayi. 1786ll addehathinu naitt padavi labhichu.
ledu foyil upayogichu akathum puratthum pooshiyukondu leaden jaarinte sheshi vardhippikkaamennu 1746ll addeham kaanichu. athe varsham thanne, dufay sthaapichirikkunna rund tharam vaidyuthikalaaya vitrius, resinus enniva yadhaarthathil "electrical eedhar" ennu vilikkunna orotta draavakathinte michavum (positteev charge) kuravum (negatteevu charge) aanennum vaidyutha chaarjinte alavu samrakshikkappettittundum addeham nirddeshichu. ore sidhaantham ore samayam benchamin franklin swathanthramaayi vikasippicheduthathi addeham sammathichu-iruvarum pinneedu shaasthreeyavum raashtreeyavumaaya kaaryangalil sakhyakakshikalayi. vaidyuthi oru draavakathekkaal kaanthikathayumaayum prakashavumaayum saamyamullathaanennum athu glassiloodeyum thuniyiloodeyum kadannupokunnathinaal kathunna vasthukkale prakaashippikkunnathin oru theepporiyaayi kendreekarikkaamennum addeham nirddeshichu.
1747 august 14nuu landanile shoottezhs hill enna sthalathu 6,732 adii neelamulla vayariloode vaidyuthi ethikkaan addeham oru pareekshanam nadatthi. addeham nadatthiya mattoru pareekshanatthil 12,276 adii uyaramulla vayar undaayirunnu. fraansile muun pareekshanangal kuranja dooram maathrame pareekshichirunnulloo.

