Rubuta ci gaba ga wannan sakin layi - A 1740 an nada shi likita ga Scots Greys, kuma yana tare da rundunar a yakin Dettingen
Ka yi haƙuri. Daga nan ya zama likita a Dunfermline kafin ya koma Edinburgh don yin aiki a asibitin Edinburgh Royal Infirmary a Drummond. Ya kuma yi aiki a matsayin likitan tiyata a asibitin Merchant Maiden. Ya kuma kasance farfesa mai daraja a Jami'ar Edinburgh, yana koyar da magani.