Where was professor Dimitri Mendeleyev educated, and what is his expertise?
SELECT ?value1 ?value2 WHERE { wd:Q9106 p:P512 ?s . ?s ps:P512 wd:Q121594 . ?s pq:P69 ?value1 . ?s pq:P101 ?value2 }
dmitri mendeleev: Q9106 professor: Q121594