B rit ish ▁science ▁and ▁technology ▁mag az ines ▁Category : Def unct ▁mag az ines ▁of ▁the ▁United ▁Kingdom ▁Category : Mag az ines ▁with ▁year ▁of ▁establishment ▁missing ▁Category : Mag az ines ▁with ▁year ▁of ▁dis est ab lish ment ▁missing <0x0A> </s> ▁Den ny ▁H ollow ▁is ▁a ▁valley ▁in ▁Oregon ▁County ▁in ▁the ▁U . S . ▁state ▁of ▁Missouri . ▁ ▁Den ny ▁H ollow ▁has ▁the ▁name ▁of ▁John ▁Den ney , ▁a ▁pione er ▁citiz en . ▁ ▁References ▁ ▁Category : Val le ys ▁of ▁Oregon ▁County , ▁Missouri ▁Category : Val le ys ▁of ▁Missouri <0x0A> </s> ▁Eb ene zer ▁Wal den ▁( 1 7 7 7 – 1 8 5 7 ) ▁was ▁mayor ▁of ▁Buff alo , ▁New ▁York , ▁serving ▁in ▁ 1 8 3 8 – 1 8 3 9 . ▁He ▁was ▁born ▁in ▁ 1 7 7 7 ▁in ▁Massachusetts . ▁In ▁ 1 7 9 9 , ▁he ▁graduated ▁from ▁Williams ▁College , ▁then ▁made ▁his ▁way ▁to ▁One ida ▁County , ▁New ▁York ▁where ▁he ▁studied ▁law . ▁In ▁ 1 8 0 6 , ▁he ▁was ▁admitted ▁to ▁the ▁New ▁York ▁State ▁bar ▁and ▁moved ▁to ▁Buff alo . ▁For ▁nearly ▁two ▁years ▁Wal den ▁was ▁the ▁only ▁lawyer ▁west ▁of ▁Bat avia . ▁ ▁He ▁inv ested ▁heavily ▁in ▁real ▁estate ▁in ▁this ▁area , ▁ow ning ▁what ▁became ▁known ▁as ▁Wal den ▁Farm ▁at ▁what ▁is ▁now ▁F ill more ▁and ▁Wal