Murray R. Spiegel
type: Person
description: American mathematician (1923-1991)
birth date: 1923-01-01
death date: 1991-00-00
birth place: Brooklyn
death place: East Hartford
nationality: United States
alumni of: Cornell University
works for: Rensselaer Polytechnic Institute
has occupation: mathematician
has occupation: physicist
has occupation: university teacher
knows about: mathematics
knows about: education
additional property: PropertyValue
  property ID: P19
  value: Brooklyn
additional property: PropertyValue
  property ID: P20
  value: East Hartford
additional property: PropertyValue
  property ID: P21
  value: male
additional property: PropertyValue
  property ID: P27
  value: United States
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P69
  value: Cornell University
additional property: PropertyValue
  property ID: P101
  value: mathematics
additional property: PropertyValue
  property ID: P101
  value: education
additional property: PropertyValue
  property ID: P106
  value: mathematician
additional property: PropertyValue
  property ID: P106
  value: physicist
additional property: PropertyValue
  property ID: P106
  value: university teacher
additional property: PropertyValue
  property ID: P108
  value: Rensselaer Polytechnic Institute
additional property: PropertyValue
  property ID: P184
  value: Mark Kac
additional property: PropertyValue
  property ID: P213
  value: 0000000121281997
additional property: PropertyValue
  property ID: P214
  value: 36977989
additional property: PropertyValue
  property ID: P227
  value: 109314840
additional property: PropertyValue
  property ID: P244
  value: n79118104
additional property: PropertyValue
  property ID: P268
  value: 12276598m
additional property: PropertyValue
  property ID: P269
  value: 031578373
additional property: PropertyValue
  property ID: P271
  value: DA00151720
additional property: PropertyValue
  property ID: P349
  value: 00457309
additional property: PropertyValue
  property ID: P396
  value: PALV008816
additional property: PropertyValue
  property ID: P409
  value: 35516724
additional property: PropertyValue
  property ID: P549
  value: 5279
additional property: PropertyValue
  property ID: P569
  value: January 1, 1923
additional property: PropertyValue
  property ID: P570
  value: 1991
additional property: PropertyValue
  property ID: P646
  value: /m/05wdhbm
additional property: PropertyValue
  property ID: P648
  value: OL33819A
additional property: PropertyValue
  property ID: P691
  value: jx20070830011
additional property: PropertyValue
  property ID: P734
  value: Spiegel
confidence:
  popularity graph score:
    score: 0.002
    score pct: 0
    tier: established
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 12
      unique citations norm: 0.005
      monthly pageviews: 56
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 12
  monthly pageviews: 56
  yearly pageviews: 152
  pageview trend:
    m: 2026-08
    v: 56
  pageview trend:
    m: 2026-07
    v: 9
  pageview trend:
    m: 2026-06
    v: 86
  pageview trend:
    m: 2026-05
    v: 1
  tier: established
claims:
  P19:
    value: Q18419
    source count: 1
    confidence: 0.2
    value label: Brooklyn
  P20:
    value: Q754618
    source count: 1
    confidence: 0.2
    value label: East Hartford
  P21:
    value: Q6581097
    source count: 0
    confidence: 0.0
    value label: male
  P27:
    value: Q30
    source count: 2
    confidence: 0.4
    value label: United States
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P69:
    value: Q49115
    source count: 1
    confidence: 0.2
    value label: Cornell University
  P101:
    value: Q395
    source count: 1
    confidence: 0.2
    value label: mathematics
  P101:
    value: Q8434
    source count: 1
    confidence: 0.2
    value label: education
  P106:
    value: Q170790
    source count: 2
    confidence: 0.4
    value label: mathematician
  P106:
    value: Q169470
    source count: 1
    confidence: 0.2
    value label: physicist
  P106:
    value: Q1622272
    source count: 1
    confidence: 0.2
    value label: university teacher
  P108:
    value: Q49211
    source count: 1
    confidence: 0.2
    value label: Rensselaer Polytechnic Institute
  P184:
    value: Q736380
    source count: 1
    confidence: 0.2
    value label: Mark Kac
  P213:
    value: 0000000121281997
    source count: 1
    confidence: 0.2

value: 36977989
source count: 3
confidence: 0.6

value: 109314840
source count: 1
confidence: 0.2

value: n79118104
source count: 0
confidence: 0.0

value: 12276598m
source count: 1
confidence: 0.2

value: 031578373
source count: 1
confidence: 0.2

value: DA00151720
source count: 1
confidence: 0.2

value: 00457309
source count: 1
confidence: 0.2

value: PALV008816
source count: 0
confidence: 0.0

value: 35516724
source count: 1
confidence: 0.2

value: 5279
source count: 1
confidence: 0.2

value: +1923-01-01T00:00:00Z
source count: 1
confidence: 0.2

value: +1991-00-00T00:00:00Z
source count: 1
confidence: 0.2

value: /m/05wdhbm
source count: 0
confidence: 0.0

value: OL33819A
source count: 0
confidence: 0.0

value: jx20070830011
source count: 1
confidence: 0.2

value: Q2801385
source count: 0
confidence: 0.0
value label: Spiegel

value: Q19802961
source count: 0
confidence: 0.0
value label: Murray

value: Q18156180
source count: 0
confidence: 0.0
value label: Ralph

value: XX1124768
source count: 0
confidence: 0.0

value: 140016
source count: 0
confidence: 0.0

value: 069547270
source count: 1
confidence: 0.2

value: 90170859
source count: 1
confidence: 0.2

value: n02080546
source count: 1
confidence: 0.2

value: 12401763
source count: 0
confidence: 0.0

value: vtls001790724
source count: 1
confidence: 0.2

value: 981408
source count: 0
confidence: 0.0

value: 000007734
source count: 1
confidence: 0.2

value: Q1860
source count: 1
confidence: 0.2
value label: English

value: spiegel.murray-r
source count: 0
confidence: 0.0

value: a1273308
source count: 1
confidence: 0.2

value: 2019
source count: 0
confidence: 0.0

value: SpiegelMurrayR
source count: 0
confidence: 0.0

value: A003853102
source count: 1
confidence: 0.2

value: 136623
source count: 0
confidence: 0.0

value: 1929
source count: 1
confidence: 0.2

value: 000328629
source count: 1
confidence: 0.2

value: 543336
source count: 1
confidence: 0.2

value: KAC199626107
source count: 0
confidence: 0.0

value: 52646
source count: 0
confidence: 0.0

value: Q8487137
source count: 0
confidence: 0.0
value label: WikiProject Mathematics

value: Q1860
source count: 0
confidence: 0.0
value label: English

value: 9810657824105606
source count: 0
confidence: 0.0

value: 000850292
source count: 1
confidence: 0.2

value: LNB:CpMm;=B9
source count: 1
confidence: 0.2

value: ncf12090987
source count: 1
confidence: 0.2

value: 987007275422805171
source count: 0
confidence: 0.0

value: 120528
source count: 0
confidence: 0.0

value: 1296588
source count: 0
confidence: 0.0

value: 25327
source count: 0
confidence: 0.0

value: 1009
source count: 0
confidence: 0.0

value: 981058512160706706
source count: 1
confidence: 0.2

value: 135182
source count: 0
confidence: 0.0

value: E39PBJwmRXVcpWyTpYVk7XGvHC
source count: 1
confidence: 0.2

value: 89894
source count: 0
confidence: 0.0

value: 14320560
source count: 0
confidence: 0.0

value: 1140000791634217216
source count: 0
confidence: 0.0

value: 981058512160706706
source count: 1
confidence: 0.2

value: 282798
source count: 1
confidence: 0.2

value: 109314840
source count: 0
confidence: 0.0

source count: 0
confidence: 0.0

value: 141234
source count: 0
confidence: 0.0

value: 503023
source count: 0
confidence: 0.0

value: 981005671759209366
source count: 1
confidence: 0.2

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2017-11-03

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2017-11-03

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2017-11-03

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2017-11-03

source: Integrated Authority File
stated in qid: Q36578
retrieved: 2023-07-12

source: Czech National Authority Database
stated in qid: Q13550863
retrieved: 2023-07-12

source: CiNii Research
stated in qid: Q115920372
retrieved: 2023-03-29

source: Virtual International Authority File
stated in qid: Q54919
retrieved: 2018-12-18

source: Autoritats UB
stated in qid: Q89570027
retrieved: 2020-04-01

source: Mathematics Genealogy Project
stated in qid: Q829984

source: CONOR.SI
stated in qid: Q16744133

wikidata id: Q6939420
domain: human
level: standard
html url: https://4ort.xyz/entity/murray-r-spiegel
markdown url: https://4ort.xyz/entity/murray-r-spiegel.md
facts url summary: https://4ort.xyz/entity/murray-r-spiegel/facts.json
facts url standard: https://4ort.xyz/entity/murray-r-spiegel/facts.json
facts url full: https://4ort.xyz/entity/murray-r-spiegel/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T10:36:08.606545Z
entity updated at: 2026-05-03T16:20:22.557058+00:00Z
entity created at: 2026-05-03T15:22:44.120356+00:00Z