Thomas J. Osler
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Thomas Joseph Osler (April 26, 1940 – March 26, 2023) was an American mathematician, national champion distance runner, and author.
Early life and education
Born in 1940 in Camden, New Jersey,[1] Osler was a graduate of Camden High School in 1957 and then studied physics at Drexel University, graduating in 1962.[2][3] He completed his PhD at the Courant Institute of Mathematical Sciences of New York University,[4] in 1970. His dissertation, Leibniz Rule, the Chain Rule, and Taylor's Theorem for Fractional Derivatives, was supervised by Samuel Karp.[5]
Career
Osler taught at Saint Joseph's University and the Rensselaer Polytechnic Institute[6] before joining the mathematics department at Rowan University in New Jersey in 1972;[7] he was a full professor at Rowan University until his death.[4]
In mathematics, Osler is best known for his work on fractional calculus.[8][9][10] He also gave a series of product formulas for that interpolate between the formula of Viète and that of Wallis.[11]
In 2009, the New Jersey Section of the Mathematical Association of America gave him their Distinguished Teaching Award.[12][13] A mathematics conference was held at Rowan University in honor of his 70th birthday in 2010.[6]
Running
Osler won three national Amateur Athletic Union championships at 25 km (1965), 30 km and 50 mi (1967).[14][15] Osler won the 1965 Philadelphia Marathon, finishing the race in freezing-cold weather in a time of 2:34:07.[16]

Osler was involved in the creation of the Road Runners Club of America with Olympian Browning Ross; together they were elected as co-secretaries in 1959[17] and were among the four first official elected officers of the newly formed club.[18] He served on the Amateur Athletic Union Standards Committee in 1979.[19] He has been credited with helping to popularize the idea of walk breaks among US marathon runners.[1][3]
In 1980, Osler was inducted into the Road Runners Club of America Hall of fame.[17][20]
Running publications
Osler was the author of several books and booklets on running:
- Guide to Long Distance Running (a 20-page booklet coauthored with Edward Dodd) was published in 1965 by the South Jersey Track Club.[21]
- The Conditioning of Distance Runners (a 29-page booklet) was published in 1967 by the Long Distance Log.[1][3][21] It was reprinted in 1984–1985 in Runner's World magazine[22][23] and reprinted with a new foreword by Amby Burfoot in 2019.[24]
- Serious Runner's Handbook: Answers to Hundreds of your Running Questions (187 pages) was published by World Publications in 1978.[25]
- Ultramarathoning: The Next Challenge (299 pages, coauthored with Edward Dodd) was also published by World Publications, in 1979.[26]
Personal life and death
Osler was a resident of Glassboro, New Jersey.[12]
Osler died on March 26, 2023, at the age of 82.[27]
References
External links
Template:Footer US NC 25K run Men Template:Footer US NC 30K run Men Template:Authority control
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- ↑ United States Championships (Men). GBR Athletics. Retrieved November 25, 2020.
- ↑ "Osler Captures Phila. Marathon", Asbury Park Press, December 27, 1965. Accessed November 24, 2020. "Philadelphia – Tom Osler of the South Jersey Track Club, 25-year-old New York University graduate student from Camden, N.J., scored an easy victory in the Ruthrauff Marathon race yesterday through Fairmount Park. Osier braved sub-freezing temperatures and stiff winds to cover the 26 miles, 385 yards in two hours, 34 minutes and seven seconds."
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- 1940 births
- 2023 deaths
- 20th-century American mathematicians
- 21st-century American mathematicians
- Camden High School (New Jersey) alumni
- Drexel University alumni
- Courant Institute of Mathematical Sciences alumni
- People from Glassboro, New Jersey
- Rensselaer Polytechnic Institute faculty
- Rowan University faculty
- Saint Joseph's University faculty
- Sportspeople from Camden, New Jersey
- Track and field athletes from New Jersey
- American male marathon runners
- 20th-century American sportsmen