, ▁Can ber ra , ▁Hans en ▁Lab ▁( G rav ity ▁Pro be ▁B ▁Group )), ▁Stan ford ▁University , ▁C ologne ▁University , ▁International ▁Institute ▁of ▁Physics ▁and ▁Chem istry ▁Br uss els ▁University ▁( host ed ▁by ▁Nobel ▁La ure ate ▁Prof . ▁I ly a ▁Pr ig og ine ). ▁ ▁In ▁ 1 9 9 5 ▁Joh ri ▁retired ▁from ▁Indian ▁Institute ▁of ▁Technology ▁and ▁joined ▁as ▁C SI R ▁Professor ▁Emer it us ▁in ▁the ▁Department ▁of ▁Mathemat ics ▁& ▁Astronom y ▁at ▁L uck now ▁University , ▁L uck now ▁( Ind ia ). ▁In ▁ 2 0 0 1 , ▁Joh ri ▁got ▁interested ▁in ▁dark ▁energy ▁during ▁his ▁visit ing ▁assignment ▁at ▁Fine ▁The oret ical ▁Physics ▁Institute , ▁University ▁of ▁Minnesota ▁( USA ), ▁he ▁gave ▁the ▁theory ▁of ▁' integr ated ▁tracking ' ▁of ▁Quint ess ence ▁Field s . ▁His ▁research ▁work ▁on ▁' Gen esis ▁of ▁Quint ess ence ' ▁and ▁' Ph antom ▁Cos m ologies ' ▁was ▁published ▁in ▁re put ed ▁journ als ▁Phys ical ▁Review ▁D ▁& ▁Class ical ▁and ▁Quant um ▁Gra vity . ▁ ▁Hon ors ▁Joh ri ▁was ▁a ▁Commonwealth ▁Fellow ▁and ▁a ▁senior ▁visitor ▁to ▁Cambridge ▁University ▁( UK ). ▁He ▁was ▁also ▁a ▁resident ▁of ▁Cla re ▁College , ▁Cambridge . ▁He ▁was ▁elected ▁a ▁Fellow ▁of ▁Royal ▁Astronom ical ▁Society ▁of ▁London ▁in ▁ 1 9 7 8 . ▁Joh ri ▁was ▁awarded ▁the ▁Royal ▁Society ▁Vis iting ▁Fellow ship