query: SELECT ?author ?authorLabel (COUNT(?publication) AS ?count)
  WHERE 
  {
   ?item wdt:P2860 ?publication .
   ?publication wdt:P50 ?author .      
   ?author wdt:P108 wd:Q158158;
         wdt:P106 wd:Q1622272;
         
         wdt:P569 ?born.
    FILTER (?born >= "1900-01-01T00:00:00Z"^^xsd:dateTime) .
   SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],de". }
  } GROUP BY ?author ?authorLabel ORDER BY DESC (?count)