:GA review (see here for what the criteria are, and here for what they are not) 

 #It is reasonably well written. 
 #:a (prose, no copyvios, spelling and grammar):  b (MoS for lead, layout, word choice, fiction, and lists):  
 #::  
 #It is factually accurate and verifiable. 
 #:a (reference section):  b (citations to reliable sources):  c (OR):  
 #::  
 #It is broad in its coverage. 
 #:a (major aspects):  b (focused):  
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 #It follows the neutral point of view policy. 
 #:Fair representation without bias:  
 #::  
 #It is stable. 
 #:No edit wars, etc.:  
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 #It is illustrated by images and other media, where possible and appropriate. 
 #:a (images are tagged and non-free content have fair use rationales):  b (appropriate use with suitable captions):  
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 #Overall:  
 #:Pass/Fail:  
 #::   

 ;Preliminary comments 
 This is already a solid article, and I can tell a lot of time and research has gone into its writing. My comments below are merely suggestions for the article's further improvement  feel free to disagree with any of them. 
 * Recommend that the first lead sentence should be split up  it's much too long right now 
 * Have you considered adding an infobox? I find that they help with user readability. Your preference of course though! (I know there's people on this site with strong feelings either way, and I don't want to impose my opinion). 
 * At first, Lesser was skeptical about the new show's potential its ability to teach children  missing a word, I think 
 * I recommend adding a list of his publications (I've seen this done for other scholars). This would include his books, as well as any journal articles he might have written 
 * I found a few other sources that you might consider incorporating (my apologies if I've missed any that are already present in the article). You have the option of ignoring them here, but I recommend you comb through them if this is on its way to FAC:     Highbeam search results 
 * "...and was involved in developing versions of Sesame Street created in other countries."  this seems like an interesting part of his career. Is there anything you could add here to expand upon this? 
 * Sources for 3 of the 4 awards in the list? ''''''