user: Please answer this: Facts:   - caption: frederick sidney cotton c. 1941    - battles: first world war second world war    - death date: 13 february 1969    - allegiance: australia    - commands: p.d.u. -lrb- photographic development unit -rrb- royal air force    - rank: squadron leader      - awards: officer of the order of the british empire    - birth date: 17 june 1894    - serviceyears: 1915 -- 1917 1939 -- 1940    - name: sidney cotton    - branch: united kingdom    - unit: p.d.u. -lrb- photographic development unit -rrb- royal air force    - image: sidney cotton.jpg    - death place: london , england    - birth place: goorganga , queensland , australia   Based on these bullet points, write a short biography describing the life of sidney cotton .
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Answer: frederick sidney cotton obe -lrb- 17 june 1894 -- 13 february 1969 -rrb- was an australian inventor , photographer and aviation and photography pioneer , responsible for developing and promoting an early colour film process , and largely responsible for the development of photographic reconnaissance before and during the second world war .he numbered among his close friends george eastman , ian fleming and winston churchill .


Please answer this: Facts:     - birth date: 1963    - name: antonio olmos    - nationality: mexican    - birth place: mexico    - occupation: photographer   Based on these bullet points, write a short biography describing the life of antonio olmos .
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Answer: antonio zazueta olmos -lrb- born 1963 -rrb- is a mexican photojournalist , editorial and portrait photographer , based in london .


Please answer this: Facts:   - doctoral students: frederick rowbottom    - known for: non-standard analysis    - fields: mathematics    - workplaces: university of wisconsin-madison    - doctoral advisor: alfred tarski      - birth date: 3 december 1936    - name: howard keisler    - birth place: seattle   Based on these bullet points, write a short biography describing the life of howard jerome keisler .
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Answer:

assistant: h. jerome keisler -lrb- born 3 december 1936 -rrb- is an american mathematician , currently professor emeritus at university of wisconsin -- madison .his research has included model theory and non-standard analysis .his ph.d. advisor was alfred tarski at berkeley ; his dissertation is `` ultraproducts and elementary classes '' -lrb- 1961 -rrb- .following abraham robinson 's work resolving what had long been thought to be inherent logical contradictions in the literal interpretation of leibniz 's notation that leibniz himself had proposed , that is , interpreting `` dx '' as literally representing an infinitesimally small quantity , keisler published '' '' , a first-year calculus textbook conceptually centered on the use of infinitesimals , rather than the epsilon , delta approach , for developing the calculus .he is also known for extending the henkin construction -lrb- of leon henkin -rrb- to what are now called henkin -- keisler models .he held the named chair of vilas professor of mathematics at wisconsin .among keisler 's graduate students , several have made notable mathematical contributions , including frederick rowbottom who discovered rowbottom cardinals .several others have gone on to careers in computer science research and product development , including : michael benedikt , a professor of computer science at the university of oxford , kevin j. compton , a professor of computer science at the university of michigan , curtis tuckey , a developer of software-based collaboration environments ; joseph sgro , a neurologist and developer of vision processor hardware and software , and edward l. wimmers , a database researcher at ibm almaden research center .in 2012 he became a fellow of the american mathematical society .