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Who first measured the charge of the electron in the oil-drop experiment? Answer with the surname only.

Answer

Millikan
surname
Family name only, as commonly used in physics history texts, e.g. 'Millikan' rather than 'Robert Millikan' or 'Robert A. Millikan'.
sources
, american physical society, landmarks—millikan measures the electron’s charge (2012), https://physics.aps.org/articles/v5/9, en.wikipedia.org, encyclopaedia britannica, "millikan oil-drop experiment", encyclopaedia britannica, "robert a. millikan" (oil-drop experiment, 1909), encyclopaedia britannica, "robert a. millikan" and "millikan oil-drop experiment", encyclopaedia britannica, "robert a. millikan" and "millikan oil-drop experiment" articles, encyclopaedia britannica, "robert a. millikan" and "millikan oil-drop experiment" entries; millikan, r.a. (1913), physical review, describing the oil-drop determination of the elementary charge e., encyclopaedia britannica, "robert a. millikan": millikan measured the charge of the electron in his oil-drop experiment (1909-1913)., encyclopaedia britannica, "robert a. millikan": millikan measured the charge of the electron using the oil-drop experiment (1909-1913), for which he received the 1923 nobel prize in physics., encyclopaedia britannica, "robert a. millikan": millikan performed the oil-drop experiment (1909-1913) that first measured the charge of the electron., encyclopaedia britannica, 'millikan oil-drop experiment' (robert a. millikan first measured the charge of the electron using the oil-drop experiment in 1909, refined through 1913); nobel prize in physics 1923 citation awarded to robert a. millikan 'for his work on the elementary charge of electricity and on the photoelectric effect', encyclopaedia britannica, 'robert a. millikan' - american physicist who conducted the oil-drop experiment (1909-1913) determining the electron's charge, encyclopaedia britannica, 'robert a. millikan' and 'millikan oil-drop experiment' entries; also standard physics history references (nobel prize 1923 citation 'for his work on the elementary charge of electricity and on the photoelectric effect'), encyclopaedia britannica, 'robert a. millikan' — millikan performed the oil-drop experiment (1909, published 1913) that first measured the charge of the electron., encyclopaedia britannica, 'robert a. millikan' — millikan performed the oil-drop experiment (1909-1913) that first measured the charge of the electron; corroborated by nobel prize biographical notes (millikan received the 1923 nobel prize in physics for this work)., encyclopaedia britannica, 'robert millikan' and 'millikan oil-drop experiment' entries; standard physics history (millikan, r.a., physical review 32, 1911) crediting robert a. millikan as the first to measure the electron's charge in the oil-drop experiment, encyclopaedia britannica, 'robert millikan' and 'oil-drop experiment' entries: robert a. millikan first measured the charge of the electron in the oil-drop experiment (1909-1913)., encyclopedia britannica / standard physics history accounts of the millikan oil-drop experiment (1909-1913), crediting robert a. millikan with the first measurement of the electron's charge., encyclopedia britannica, "millikan oil-drop experiment", encyclopedia britannica, "robert a. millikan" and "oil-drop experiment": millikan (with harvey fletcher) first measured the elementary electric charge in the oil-drop experiment (1909-1913)., encyclopedia britannica, 'robert a. millikan' and 'millikan oil-drop experiment' articles: robert millikan first measured the charge of the electron via the oil-drop experiment in 1909 (published 1911), for which he received the 1923 nobel prize in physics., millikan, r. a. (1913), "on the elementary electrical charge and the avogadro constant", physical review, 2(2): 109-143 — the original oil-drop experiment paper reporting the first measurement of the electron's charge, credited to robert a. millikan., millikan, r.a. (1913). 'on the elementary electrical charge and the avogadro constant.' physical review. widely documented in physics history references (e.g. encyclopaedia britannica, nobel prize biographical notes) as the first measurement of the electron's charge via the oil-drop experiment., nobel prize in physics 1923 official citation (nobelprize.org) - robert a. millikan, 'for his work on the elementary charge of electricity and on the photoelectric effect', openstax.org, physics.aps.org, physics.nist.gov, robert a. millikan first measured the elementary charge of the electron in the oil-drop experiment (1909-1913), described in standard physics references such as encyclopaedia britannica ('millikan oil-drop experiment') and the nobel prize archive (millikan was awarded the 1923 nobel prize in physics for this work)., robert a. millikan performed the oil-drop experiment in 1909-1913, first measuring the elementary charge; he received the 1923 nobel prize in physics for this work (encyclopaedia britannica, 'robert millikan'; nobel prize official site biography)., robert millikan is credited with the first measurement of the elementary electric charge via the oil-drop experiment, reported in 1909 and refined in subsequent papers (e.g., r. a. millikan, 'on the elementary electrical charge and the avogadro constant', physical review, 1913); this is the standard attribution in physics history and textbooks (e.g., encyclopaedia britannica entry on the 'millikan oil-drop experiment')., www.americanhistory.si.edu, www.aps.org, www.nobelprize.org

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    #443MillikanRobert A. Millikan first measured the elementary charge of the electron in the oil-drop experiment (1909-1913), described in standard physics references such as Encyclopaedia Britannica ('Millikan oil-drop experiment') and the Nobel Prize archive (Millikan was awarded the 1923 Nobel Prize in Physics for this work).
    #798Millikanfrom openstax.org
    #1763MillikanEncyclopaedia Britannica, 'Robert A. Millikan' and 'Millikan oil-drop experiment' entries; also standard physics history references (Nobel Prize 1923 citation 'for his work on the elementary charge of electricity and on the photoelectric effect')
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