 This paradigm led to innovative work in machine vision by Gerald Sussman ( who led the team ) , Adolfo Guzman , David Waltz ( who invented " constraint propagation " ) , and especially Patrick Winston . At the same time , Minsky and Papert built a robot arm that could stack blocks , bringing the blocks world to life . The crowning achievement of the micro @-@ world program was Terry Winograd 's SHRDLU . It could communicate in ordinary English sentences , plan operations and execute them . 
 This paradigm led to innovative work in machine vision by Gerald Sussman ( <a href='null_relcl' title='1'><mark>who</mark></a>led the team ) , Adolfo Guzman , David Waltz ( <a href='null_relcl' title='2'><mark>who</mark></a>invented " constraint propagation " ) , and especially Patrick Winston . At the same time , Minsky and Papert built a robot arm <a href='null_relcl' title='3'><mark>that</mark></a>could stack blocks , bringing the blocks world to life . The crowning achievement of the micro @-@ world program was Terry Winograd <a href='null_genetive' title='4'><mark>'s</mark></a>SHRDLU . It could communicate in ordinary English sentences , plan operations and execute them . 
Dis paradigm led to innovative work in machine vision by Gerald Sussman ( led da team ) , Adolfo Guzman , David Waltz ( invented " constraint propagation " ) , and especially Patrick Winston . At the same time , Minsky and Papert built a robot arm could stack blocks , bringing tdablocks world to life . Thdarowning achievement of thedacro @-@ world program was Terry Winograd  SHRDLU . It could communicate in ordinary English sentences , plan operations and execute em .