query: #linechart
  SELECT DISTINCT ?yob ?scientist ?scientistLabel WHERE {
    ?scientist wdt:P31 wd:Q5.
    ?scientist wdt:P106 wd:Q901 . # occupation scientist
    ?scientist wdt:P569 ?dob .
    #?scientist wdt:P27 wd:Q408.   # citizen of Australia
    bind(year(?dob) as ?yob )
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  ORDER BY ?yob
  LIMIT 500
  
  