▁of ▁Cons cious ness " ▁he ▁had ▁previously ▁published ▁in ▁various ▁period ical s ▁or ▁in ▁science - ess ay - anth ology ▁books ▁where ▁he ▁was ▁one ▁of ▁many ▁authors , ▁and ▁are ▁no ▁longer ▁readily ▁obtain able . ▁ ▁S acks ▁specified ▁the ▁order ▁of ▁his ▁ess ays ▁in ▁" R iver ▁of ▁Cons cious ness " ▁prior ▁to ▁his ▁death . ▁ ▁Some ▁of ▁the ▁ess ays ▁focus ▁on ▁repr essed ▁mem ories ▁and ▁other ▁tr icks ▁the ▁mind ▁plays ▁on ▁itself . ▁His ▁next ▁post hum ous ▁book ▁will ▁be ▁a ▁collection ▁of ▁some ▁of ▁his ▁letters . ▁ ▁S acks ▁was ▁a ▁pro l ific ▁hand written - letter ▁correspond ent , ▁and ▁he ▁never ▁communic ated ▁by ▁e - mail . ▁ ▁Hon ours ▁In ▁ 1 9 9 6 , ▁S acks ▁became ▁a ▁member ▁of ▁the ▁American ▁Academy ▁of ▁Arts ▁and ▁Let ters ▁( Liter ature ). ▁He ▁was ▁named ▁a ▁Fellow ▁of ▁the ▁New ▁York ▁Academy ▁of ▁Sciences ▁in ▁ 1 9 9 9 . ▁Also ▁in ▁ 1 9 9 9 , ▁he ▁became ▁an ▁Honor ary ▁Fellow ▁at ▁the ▁Queen ' s ▁College , ▁Oxford . ▁In ▁ 2 0 0 0 , ▁S acks ▁received ▁the ▁Golden ▁Pl ate ▁Award ▁of ▁the ▁American ▁Academy ▁of ▁Ach iev ement . ▁In ▁ 2 0 0 2 ▁he ▁became ▁Fellow ▁of ▁the ▁American ▁Academy ▁of ▁Arts ▁and ▁Sciences ▁( Class ▁IV — H uman ities ▁and ▁Arts , ▁Section ▁ 4 — Liter