| gptkbp:instanceOf | gptkb:person 
 | 
                        
                            
                                | gptkbp:almaMater | gptkb:New_York_University gptkb:New_Mexico_State_University
 
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                                | gptkbp:awardReceived | gptkb:J._Robert_Oppenheimer_Memorial_Prize gptkb:National_Medal_of_Science
 
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                                | gptkbp:birthDate | 1916-11-03 
 | 
                        
                            
                                | gptkbp:contributedTo | gptkb:Pioneer_missions gptkb:Apollo_program
 gptkb:Voyager_missions
 
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                                | gptkbp:deathDate | 2000-08-31 
 | 
                        
                            
                                | gptkbp:developedBy | cosmic ray detectors 
 | 
                        
                            
                                | gptkbp:doctoralAdvisor | gptkb:Arthur_Compton 
 | 
                        
                            
                                | gptkbp:employer | gptkb:University_of_Chicago 
 | 
                        
                            
                                | gptkbp:fieldOfWork | astrophysics physics
 space science
 
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                                | gptkbp:fullName | gptkb:John_Alexander_Simpson 
 | 
                        
                            
                                | gptkbp:knownFor | cosmic ray research space science
 
 | 
                        
                            
                                | gptkbp:memberOf | gptkb:National_Academy_of_Sciences 
 | 
                        
                            
                                | gptkbp:nationality | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:occupation | gptkb:physicist 
 | 
                        
                            
                                | gptkbp:spouse | gptkb:Elizabeth_Simpson 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Cosmic_Rays,_the_Sun,_and_Geomagnetism 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | John A. Simpson 
 |