Russell Kulsrud

The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.

• 1 step up

  stated by WikidataBengt Strongrenstated by WikidataSubrahmanyan Chandrasekhar

• 2 steps up

  stated by WikidataArthur Eddingtonstated by WikidataRalph H. Fowler

• 3 steps up

  stated by WikidataAlfred North Whiteheadstated by WikidataArchibald Hillstated by WikidataE. T. Whittakerstated by WikidataErnest Barnesstated by WikidataErnest Rutherford

• 4 steps up

  stated by WikidataAlexander William Bickertonstated by WikidataAndrew Forsythstated by WikidataEdward Routhstated by WikidataGeorge Howard Darwinstated by WikidataJoseph John Thomsonstated by WikidataW. W. Rouse Ballstated by WikidataWalter Morley Fletcherstated by WikidataWilliam Davidson Niven

Below them, within 3 steps, the record reaches 54 people: 54 stated by Wikidata.