▁At ▁his ▁V aled ict ory ▁Sym pos ium ▁when ▁he ▁retired , ▁Hen k ▁spoke ▁on ▁fluid ▁concepts ▁in ▁mathematics ▁in ▁a ▁talk ▁titled ▁" Lo ose ▁End s ". ▁He ▁was ▁awarded ▁the ▁Kenneth ▁O . ▁May ▁Medal ▁for ▁ 2 0 0 5 . ▁ ▁Selected ▁publications ▁Bos ▁has ▁contributed ▁to ▁the ▁study ▁of ▁the ▁mathematical ▁works ▁of ▁the ▁sevent e enth - century ▁phil os opher ▁René ▁Des cart es , ▁including ▁Des cart es ’ ▁contribution ▁to ▁the ▁development ▁of ▁algebra ▁and ▁geometry . ▁▁ 1 9 7 4 : ▁" D iffer entials , ▁higher - order ▁differential s ▁and ▁the ▁derivative ▁in ▁the ▁Le ib n iz ian ▁calculus ", ▁Archive ▁for ▁History ▁of ▁Ex act ▁Sciences ▁ 1 4 : ▁ 1 – 9 0 , ▁▁▁ 1 9 8 0 : ▁" New ton , ▁Le ib nitz ▁and ▁the ▁Le ib n iz ian ▁tradition ", ▁chapter ▁ 2 , ▁pages ▁ 4 9 – 9 3 , ▁in ▁From ▁the ▁Calcul us ▁to ▁Set ▁Theory , ▁ 1 6 3 0 ▁– ▁ 1 9 1 0 : ▁An ▁Int ro duct ory ▁History , ▁edited ▁by ▁I vor ▁Gr attan - Gu in ness , ▁D uck worth ▁▁▁ 1 9 8 1 : ▁( with ▁Herbert ▁Me hr t ens ▁& ▁I vo ▁Schne ider ) ▁" Math emat ics ▁and ▁Revolution ▁from ▁Lac ro ix ▁to ▁C auch y ", ▁pages ▁ 5 0 – 7 1 ▁in ▁Social