▁certain ▁t ides ▁in ▁the ▁human ▁body ▁that ▁might ▁be ▁account ed ▁for ▁by ▁the ▁movements ▁of ▁the ▁sun ▁and ▁moon . ▁Ev idence ▁assemble d ▁by ▁Frank ▁A . ▁P att ie ▁suggests ▁that ▁Mes mer ▁pl ag iar ized ▁a ▁part ▁of ▁his ▁dis sert ation ▁from ▁a ▁work ▁by ▁Richard ▁M ead , ▁an ▁em inent ▁English ▁phys ician ▁and ▁Newton ' s ▁friend . ▁However , ▁in ▁Mes mer ' s ▁day ▁doctor al ▁th eses ▁were ▁not ▁expected ▁to ▁be ▁original . ▁ ▁In ▁January ▁ 1 7 6 8 , ▁Mes mer ▁married ▁Anna ▁Maria ▁von ▁Pos ch , ▁a ▁wealth y ▁wid ow , ▁and ▁established ▁himself ▁as ▁a ▁doctor ▁in ▁Vienna . ▁In ▁the ▁sum mers ▁he ▁lived ▁on ▁a ▁splendid ▁estate ▁and ▁became ▁a ▁patron ▁of ▁the ▁arts . ▁In ▁ 1 7 6 8 , ▁when ▁court ▁intr igue ▁prevent ed ▁the ▁performance ▁of ▁La ▁f inta ▁sem p lice ▁( K . ▁ 5 1 ), ▁for ▁which ▁the ▁twelve - year - old ▁Wolfgang ▁Ama de us ▁Moz art ▁had ▁composed ▁ 5 0 0 ▁pages ▁of ▁music , ▁Mes mer ▁is ▁said ▁to ▁have ▁arranged ▁a ▁performance ▁in ▁his ▁garden ▁of ▁Moz art ' s ▁Bast ien ▁und ▁Bast ienne ▁( K . ▁ 5 0 ), ▁a ▁one - act ▁opera , ▁though ▁Moz art ' s ▁bi ograph er ▁N issen ▁found ▁no ▁proof ▁that ▁this ▁performance ▁actually ▁took ▁place . ▁Moz art ▁later ▁imm ort al ized