Br i dge t Ri l e y Ri l e ywasbor ni nL ondoni n1 9 3 1 . He rf at he r , J ohnF i s he rRi l e y , or i gi nal l y f r omY or k s hi r e , wasapr i nt e r , ashi sownf at he rhadbe e n. I n1 9 3 8he r e l oc at e dt hepr i nt i ngbus i ne s s , t oge t he rwi t hhi sf ami l y , t oL i nc ol ns hi r e I t wasdur i ngt hi st i met hat Ri l e ybe gant opai nt t hebl ac kandwhi t e wor k sf orwhi c hs hei sbe s t k nown. T he ypr e s e nt agr e at v ar i e t yof ge ome t r i cf or mst hat pr oduc es e ns at i onsof mov e me nt orc ol our . I nt he e ar l y1 9 6 0 s , he rwor k swe r es ai dt oi nduc es e ns at i oni nv i e we r sasv ar i e d ass e as i c kands k ydi v i ng. F r om1 9 6 1t o1 9 6 4s hewor k e dwi t ht hec ont r as t of bl ac kandwhi t e , oc c as i onal l yi nt r oduc i ngt onal s c al e sof gr e y . Wor k si nt hi ss t y l ec ompr i s e dhe rr s t 1 9 6 2s ol os howat Mus gr av e ' sGal l e r yOne , aswe l l as nume r ouss ubs e que nt s hows . F ore x ampl e , i nF al l , as i ngl epe r pe ndi c ul ar sc ur v ei sr e pe at e dt oc r e at ea e l dof v ar y i ngopt i c al f r e que nc i e s . Vi s ual l y , t he s ewor k sr e l at et omanyc onc e r nsof t hepe r i odape r c e i v e d ne e df oraudi e nc e , c hal l e nge st ot henot i onof t hemi ndbodydual i t y whi c hl e dAl dousHux l e yt oe x pe r i me nt wi t hhal l uc i noge ni cdr ugsc onc e r nswi t hat e ns i onbe t we e nas c i e nt icf ut ur ewhi c hmi ght bev e r y be nec i al ormi ght l e adt oanuc l e arwarandf e ar sabout t hel os sof ge nui nei ndi v i dual e x pe r i e nc ei naBr av eNe wWor l d. He rpai nt i ngs hav e , s i nc e1 9 6 1 , be e ne x e c ut e dbyas s i s t ant sf r omhe rowne ndl e s s l y e di t e ds t udi e s