, ▁tot alling ▁over ▁ 6 0 0 , ▁that ▁were ▁owned ▁by ▁Thom son . ▁Today ▁they ▁are ▁in ▁the ▁collection ▁of ▁the ▁Well come ▁Library . ▁Some ▁of ▁Thom son ' s ▁work ▁may ▁be ▁seen ▁at ▁the ▁Royal ▁Ge ographical ▁Society ' s ▁headquarters ▁in ▁London . ▁ ▁Through ▁the ▁L ens ▁of ▁John ▁Thom son : ▁China ▁and ▁S iam , ▁a ▁selection ▁of ▁Thom son ' s ▁photograph s ▁from ▁the ▁Well come ▁Library , ▁London , ▁is ▁currently ▁tour ing ▁intern ation ally . ▁ ▁Cont ro vers y ▁In ▁ 2 0 0 1 ▁Ph i ph at ▁Ph ong raph i phon , ▁a ▁Th ai ▁independent ▁research er ▁in ▁historical ▁phot ography , ▁published ▁claims ▁that ▁Thom son ▁took ▁works ▁by ▁Th ai ▁court ▁photograph er ▁Kh un ▁Sun th orn s ath its al ak ▁( Christ ian ▁name : ▁Francis ▁Ch it ) ▁and ▁published ▁them ▁as ▁his ▁own . ▁Ev idence ▁to ▁Ph i ph at ' s ▁claims ▁include ▁an ▁analysis ▁of ▁a ▁photograph ▁in ▁which ▁the ▁temple ▁Wat ▁R atch ap rad it , ▁which ▁was ▁built ▁before ▁Thom son ▁arrived ▁in ▁Bang k ok , ▁is ▁missing . ▁ ▁Selected ▁works ▁The ▁Anti qu ities ▁of ▁Camb odia ▁ ▁( 1 8 6 7 ) ▁View s ▁on ▁the ▁North ▁River ▁( 1 8 7 0 ) ▁Fo och ow ▁and ▁the ▁River ▁Min ▁( 1 8 7 3 ) ▁Illustr ations ▁of ▁China ▁and ▁Its ▁People ▁(