Observatory Compare 4 vs 2 | Master Number Vault

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Governed corpus metrics

Side-by-side observation

Metric42Governed records6026Current corpus share6.0%2.6%ClassificationArchive 4Archive 2Represented collections79Governed birth years1657–19471616–1950Represented eras43

Governed collection memberships

Collection distribution

Collection: Complete Number 4 compared with Complete Number 2
Collection	Number 4	Number 2
19th-Century Figures	36 records, 60.0% within 4	9 records, 34.6% within 2
20th-Century Figures	22 records, 36.7% within 4	16 records, 61.5% within 2
Artists	2 records, 3.3% within 4	1 records, 3.8% within 2
Musicians and Composers	0 records, 0.0% within 4	2 records, 7.7% within 2
Philosophers and Thinkers	4 records, 6.7% within 4	2 records, 7.7% within 2
Political Leaders and Government	1 records, 1.7% within 4	1 records, 3.8% within 2
Scientists	11 records, 18.3% within 4	12 records, 46.2% within 2
Technology and Computing	0 records, 0.0% within 4	1 records, 3.8% within 2
Writers	4 records, 6.7% within 4	1 records, 3.8% within 2

Represented by both

19th-Century Figures
20th-Century Figures
Artists
Philosophers and Thinkers
Political Leaders and Government
Scientists
Writers

Only in 4

None in the current corpus.

Only in 2

Musicians and Composers
Technology and Computing

Governed birth-date taxonomy

Era distribution

Era: Complete Number 4 compared with Complete Number 2
Era	Number 4	Number 2
18th century	1 records, 1.7% within 4	0 records, 0.0% within 2
19th century	36 records, 60.0% within 4	9 records, 34.6% within 2
20th century	22 records, 36.7% within 4	16 records, 61.5% within 2
Earlier	1 records, 1.7% within 4	1 records, 3.8% within 2

Dual chronological corpus view

Vault timelines

Complete Number 4

Scroll from earliest to latest. The first 12 of 60 records are shown initially. Use the complete chronology link without JavaScript; when enhanced, Previous and Next move through the chronology and Home and End reach its boundaries.

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Complete Number 2

Scroll from earliest to latest. The first 12 of 26 records are shown initially. Use the complete chronology link without JavaScript; when enhanced, Previous and Next move through the chronology and Home and End reach its boundaries.

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Distinct governed cohorts

Record sets

Records in 4

Archive 4

Records in 2

Archive 2

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Side-by-side observation

Collection distribution

Represented by both

Only in 4

Only in 2

Era distribution

Vault timelines

Complete Number 4

Complete Number 2

Record sets

Records in 4

Henri-Pons de Thiard de Bissy

Michael Faraday

George Gabriel Stokes

Sully Prudhomme

Bertha von Suttner

Henry Deane

Ignacio Cervantes

Sigmund Freud

Alfred Deakin

Liberty Hyde Bailey

Max Planck

Thomas Ranken Lyle

Nellie Melba

Ida B. Wells

Hugh Victor McKay

Walter Frederick Gale

Marie Curie

C.T.R. Wilson

Mary Booth

Henri Matisse

Kitaro Nishida

Guglielmo Marconi

Mary Teresa Norton

Julie Manet

André Deed

Joseph Lyons

Miles Franklin

John Maynard Keynes

Archibald V. Hill

Rose Wilder Lane

George Pólya

Srinivasa Ramanujan

John H. Northrop

John Howard Northrop

Hudson Fysh

William Francis Giauque

Michael Schmaus

Friedrich von Hayek

Enrico Fermi

Luis F. Leloir

Rachel Carson

Kwame Nkrumah

William Golding

Julio Cortázar

Gwendolyn Brooks

Ingmar Bergman

Nat King Cole

Charlie Parker

Gene Roddenberry

Martin L. Perl

V. S. Naipaul

Edmund S. Phelps

Elinor Ostrom

James A. Mirrlees

Martti Ahtisaari

David Baltimore

Barbara Dittus

Kary B. Mullis

Anne Wiazemsky

Octavia E. Butler

Records in 2

John Wallis

Benjamin Franklin White

János Bolyai

Peter Gustav Lejeune Dirichlet

Henri-Alexandre Wallon

Karl Weierstrass

Richard Dedekind