Person: Ricci (3), Giovanni
Giovanni Ricci was an Italian mathematician who worked in number theory, differential geometry, mathematical analysis and theory of series.
Mathematical Profile (Excerpt):
 After graduating, Ricci went to Rome where he was appointed as a lecturer.
 Ricci held this position for eight years.
 As examples of the papers Ricci published during his eight years as a professor in Pisa we mention: Sulle funzioni simmetriche delle radici dell'unità secondo un modulo composto Ⓣ(On symmetric functions of the roots of unity in a compound form) (1931), Sui grandi divisori primi delle coppie di interi in posti corrispondenti di due progressioni aritmetiche.
 Let us also note that, in 1951, Ricci wrote a paper on the school of mathematics in Pisa La scuola matematica pisana dal 1848 al 1948 Ⓣ(The mathematics school of Pisa from 1848 to 1948).
 In 1936 Ricci moved to Milan where he was appointed as Professor of Mathematical Analysis at the University.
 Ricci was unable to continue his research with the vigour that he had in Pisa and was more involved in teaching and administration.
 In it Ricci discussed the estimation of exponential sums, the distribution of f(x)f (x)f(x) mod 1, Waring's problem and Goldbach's problem.
 Ricci held the chair of Mathematical Analysis in Milan for over 36 years.
 We mentioned Ricci's research on the distribution of primes.
 We should not, however, give the impression that all Ricci's work was in number theory for he also made significant contributions to the theory of functions of a complex variable.
 Finally we mention that Ricci's most famous doctoral student during his time in Milan was Enrico Bombieri.
Born 17 August 1904, Florence, Italy. Died 9 September 1973, Milan, Italy.
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References
Adapted from other CC BYSA 4.0 Sources:
 O’Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive