please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . october 2012 learn how and when to remove this template message this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . january 2007 learn how and when to remove this template message learn how and when to remove this template message knoll type public traded as nyse knl industry manufacturing founded 1938 founder hans and florence knoll headquarters east greenville pennsylvania united states key people florence knoll products designer furniture website www.knoll.com knoll inc is a design firm that produces office systems seating files and storage tables and desks textiles knolltextiles and accessories for the office home and higher education settings . 1 the company manufactures furniture for the home by ludwig mies van der rohe harry bertoia florence knoll florence schust frank gehry maya lin and eero saarinen under the company s knollstudio division . over 40 knoll designs can be found in the permanent design collection of the museum of modern art in new york city . contents 1 history 1.1 notable designers 2 notable products 3 architecture preservation 4 similar companies 5 references 6 external links history edit the company was founded in new york city in 1938 by hans knoll . production facilities were moved to pennsylvania in 1950 . after the death of hans in 1955 his wife florence knoll took over as head of the company . the company is headquartered in east greenville pennsylvania and has manufacturing sites in north america east greenville grand rapids muskegon and toronto and italy foligno and graffignana . 2 in addition the company is listed on the new york stock exchange nyse and trades under the symbol knl . in 2011 knoll received the national design award for corporate and institutional achievement from the cooper hewitt smithsonian design museum . 3 notable designers edit many noteworthy designers have done work for knoll including 4 david adjaye anni albers franco albini don albinson davis allen emilio ambasz raul de armas sergio asti asymptote gae aulenti enrico baleri edward barber jhane barnes wolf bauer hans bellmann jeffrey bernett harry bertoia ayse birsel cini boeri irma boom marcel breuer lewis butler vincent cafiero don chadwick andreas christen stephen copeland pepe cort s dorothy cosonas maria cornejo jonathan crinion robert defuccio niels diffrient nicholas dodziuk joseph d urso peter eisenman jim eldon dale fahnstrom neil frankel enrico franzolini emanuela frattini magnusson gianfranco frattini dino gavina frank gehry rudi gernreich alexander girard brian graham charles gwathmey paul haigh peter hamburger bruce hannah eszter haraszty jorge ferrari hardoy christa hausler goltz robert haussmann and trix haussmann marc held sheila hicks evelyn hill suzanne huguenin dragomir ivicevic pierre jeanneret don knorr antti kotilainen florence knoll hans knoll marc krusin lawrence laske gary lee marc lepage maya lin piero lissoni ross lovegrove vico magistretti carl magnusson angelo mangiarotti marco maran roberto matta herbert matter michael mccoy richard meier lucia mercer ludwig mies van der rohe abbott miller lee mindel sigi moeslinger andrew morrison pascal mourgue george nakashima isamu noguchi jay osgerby jonathan olivares max pearson stephen peart kari pei jorge pensi don petitt charles pfister warren platner charles pollock proenza schouler ralph rapson jorgen rasmussen robert reuter carlos riart linda ricchio and joseph ricchio jens risom rodarte charles rozier eero saarinen richard sapper tobia scarpa ruth adler schnee richard schultz peter shelton hazel siegel robert siegel ettore sottsass stephen sprouse bill stephens marianne strengell daniel stromborg suno elias svedberg kazuhide takahama ilmari tapiovaara suzanne tick masamichi udagawa robert venturi lella vignelli and massimo vignelli hans wegner otto zapf notable products edit the wassily chair by marcel breuer the tulip chair designed for knoll by eero saarinen in 1956 many of the company s products are on permanent display at moma in nyc . many of the company s product are included in museum collections such as the cooper hewitt national design museum . 5 in 1956 the company commissioned eero saarinen to design the tulip chair for production . in 1953 the company was accorded exclusive manufacturing and sales rights to ludwig mies van der rohe furniture including the barcelona chair designed for the 1929 barcelona pavilion . 1 the company holds production rights to the wassily chair by marcel breuer . in 1947 knoll acquired exclusive u.s. production rights of the hardoy chair butterfly chair by jorge ferrari hardoy . cheaper imitations flooded the market . knoll took legal action in 1950 in the end losing the r claim of copyright infringement ; the model was dropped in 1951 . architecture preservation edit knoll sponsors exhibitions scholarships and other activities related to modern architecture and design . in 2006 knoll and the world monuments fund a new york based non profit organization launched modernism at risk an advocacy and conservation program . modernism at risk encourages design solutions for imperiled modern buildings provides funding for conservation projects and raises awareness of the threats to modern architecture through exhibitions and lectures . the world monuments fund knoll modernism prize is awarded biennially to a designer or design firm in recognition of projects that preserve modern landmarks . 6 in 2008 the first award was given to winfried brenne and franz jaschke of the firm brenne gesellschaft von architekten . the pair received the knoll modernism prize for their restoration of a school in germany built in 1930 and designed by hans wittwer and the second director of the bauhaus hannes meyer . the 2010 prize went to the founders of docomomo hubert jan henket and wessel de jonge for the restoration of a 1920s sanatorium in zonnestraal in hilversum the netherlands . the 2012 prize was given to a consortium of japanese architects and academics for the restoration of the 1950s hizuchi elementary school on shikoku island japan . similar companies edit ergocentric herman miller vitra furniture usm modular furniture lumiy references edit http www.knoll.com design plan market focus u.s. securities and exchange commission march 3 2014 . knoll inc. commission file no. 001 12907 . sec . u.s. securities and exchange commission . retrieved june 3 2014 . 2011 national design awards corporate and institutional achievement knoll . cooper hewitt smithsonian design museum . retrieved 20 march 2015 . our designers . knoll . retrieved 20 march 2015 . knoll textiles people collection of smithsonian cooper hewitt national design museum modernism at risk . world monuments fund . retrieved 2011 04 10 . external links edit wikimedia commons has media related to knoll . knoll knoll international v t e knoll people florence knoll hans knoll products barcelona chair hardoy chair tulip chair wassily chair authority control ulan 500330427 retrieved from https en.wikipedia.org w index.php title knoll company & oldid 743501424 categories manufacturing companies based in pennsylvaniafurniture companies of the united statesindustrial design firmscompanies listed on the new york stock exchangedesign companies of the united statescompanies based in montgomery county pennsylvania1938 establishments in new yorkamerican companies established in 1938manufacturing companies established in 1938hidden categories articles needing additional references from october 2012all articles needing additional referencesarticles lacking reliable references from january 2007all articles lacking reliable 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