This blog post was inspired from my reading of Sara Hottinger’s book, *Inventing the Mathematician: Gender, Race, and Our Cultural Understanding of Mathematics *(2016). Hottinger’s book advanced my thinking about how cultural contexts of mathematics perpetuate gendered, racialized, and other systemic forms of exclusion. She adopts a cultural studies approach to examine how four sources of mathematical representations – textbooks, histories of mathematics, portraits of mathematicians, and ethnomathematics – limit opportunities for building “individual and cultural relationship[s] to the field” (p. 7). Hottinger (2016) uses the term *mathematical subjectivity *to refer to how individuals make sense of themselves in relation to mathematics across these four sources. Her analysis highlights how exclusionary representations of mathematics result in the “construction of normative Western subjectivity and in the construction of the West itself” (p. 6) that limit possibilities of positive mathematical subjectivities among members of historically marginalized populations.

Considering the *inclusion/exclusion* blog’s focus on issues of social marginalization in mathematics and my research interest in increasing inclusive educational opportunities in undergraduate mathematics, I focus on Hottinger’s analysis about the history of mathematics – an area of inquiry associated with a special interest group of the Mathematical Association of America and incorporated in courses of study for mathematics majors in the United States. I begin with summarizing Hottinger’s distinction between *internalist *and *externalist *historical accounts and their respective influences on the construction of mathematical subjectivities. This is followed by a discussion of how Hottinger’s insights can be applied to re-thinking pedagogical practices in undergraduate education that challenge traditional representations of mathematics as void of sociohistorical contexts and personhood.

** Internalist and externalist accounts of mathematical history. **Hottinger distinguishes internalist and externalist traditions of writing histories of mathematics. The internalist approach is most widely used with representations of mathematics as universal and discovered, resulting in the de-centering of individuals and social contexts associated with mathematical knowledge production. Texts presenting internalist historical accounts, for example, often reserve insights about biographies and cultures on side margins or at the end of chapters. Thus, Hottinger argues that the prioritization of ideas over individuals in internalist histories of mathematics result in the disappearance of mathematical subjectivities.

Externalist histories are written with representations of mathematics as a human activity situated in cultural and historical contexts. With such foregrounding of individuals and their progress in mathematical knowledge production, texts presenting externalist accounts of history are often organized chronologically and incorporate relevant biographical insights in discussions about the development of mathematical ideas. Hottinger draws on David Burton’s *The History of Mathematics: An Introduction* (2010) as an illustrative example of an externalist text. While Burton’s text “humanize[s] the history of mathematics” (p. 63) through the centering of individuals and social contexts, Hottinger argues that this externalist account also limits constructions of mathematical subjectivity through portrayals of mathematicians as heroic figures. Burton’s (2010) representation of Isaac Newton, for example, illustrates how a mathematician’s subjectivity is constructed in alignment with discourses of mathematics in Western culture – namely, “difficult, cold, abstract, ultra-rational, important and largely masculine” (Ernest, 1992, n.p.). Thus, Newton is represented as an “ideal mathematician” (Hottinger, 2016, p. 76) and thus perpetuates gendered, racialized, and other socially restrictive opportunities for identifications with mathematics.

** Historically humanizing undergraduate mathematics education. **With recent calls for (re)humanizing mathematics education (e.g., Goffney & Gutiérrez, 2018; Mukhopadhyay & Greer, 2015), Hottinger’s analysis of mathematical subjectivity across internalist and externalist accounts brought me to consider how undergraduate mathematics educators can leverage her insights to (re)humanize mathematics, including students’ mathematical learning experiences. Narrow conceptions of mathematics and mathematicians through written histories can frame institutional practices in undergraduate mathematics education that produce inequitable opportunities to learn and identify with the discipline. Thus, I encourage undergraduate mathematics faculty to critically reflect on pedagogical possibilities for more humanistic presentations of mathematics and its history that motivate what Hottinger (2016) calls “feminist ‘aha’ moments” (p. 5) among students. Such moments provide undergraduate students a new lens for making sense of themselves, including their mathematical subjectivities and positions in the world.

Below I pose several questions for undergraduate mathematics course instructors to consider on how they pedagogically engage the history of mathematics for more inclusive opportunities of developing positive mathematical subjectivities across their classrooms. What cuts across these questions of practice is a re-imagining of undergraduate mathematics education toward “liv[ing] *mathematx*” (Gutiérrez, 2017, p. 18) by centering the voices, experiences, and practices often deemed non-mathematical in historical accounts. (*Mathematx*, inclusive of Western and Aboriginal forms of mathematizing, refers to “a way of seeking, acknowledging, and creating patterns for the purpose of solving problems (e.g., survival) and experiencing joy” (Gutiérrez, 2017, p. 15).)

- For courses about the history of mathematics, to what extent do adopted texts and your pedagogical use of them overcome limiting constructions of mathematical subjectivities across internalist and externalist accounts? Which Indigenous, non-Western figures and their contributions to mathematical knowledge production are represented in biographies explored throughout the course? How might the positioning of individuals or groups as mathematicians in the course reify the exclusionary image of the “ideal mathematician” and “trope of the great hero” (Hottinger, 2016, p. 76) by Western standards?
- For instructors of undergraduate courses not exclusively focused on the history of mathematics, what opportunities do your students have to explore the history of learned content in order to challenge representations of mathematics as ahistorical? How are students supported in critically engaging with primary sources alongside required textbooks for an analysis of Eurocentric bias that marginalize Indigenous, non-European forms of mathematical knowledge production? (For more about the use of primary historical sources in undergraduate mathematics education, check out project work from the TRansforming Instruction in Undergraduate Mathematics via Primary Historical Sources (TRIUMPHS) initiative.)
- In what ways do classroom participation structures promote hands-on, collaborative learning that challenge racialized, gendered norms of abstract thinking, individualism, and competition in mathematics toward broadening opportunities for building positive mathematical subjectivities (Battey & Leyva, 2016; Leyva, 2017)?

References

Battey, D., & Leyva, L. A. (2016). A framework for understanding whiteness in mathematics education. *Journal of **Urban Mathematics Education, 9*(2), 49-80.

Burton, D. (2010). *The history of mathematics: An introduction (7th ed.). *New York, NY: The McGraw-Hill Companies, Inc.

Ernest, P. (1992). The popular image of mathematics. *Philosophy of Mathematics Education Newsletter 4/5*.

Goffney, I., & Gutiérrez, R. (2018). *Annual perspectives in mathematics education: Rehumanizing mathematics for Black, Indigenous, and Latinx students. *Reston, VA: National Council of Teachers of Mathematics.

Gutiérrez, R. (2017). Living mathematix: Toward a vision for the future. *Philosophy of Mathematics Education Journal,* *32*(1).

Hottinger, S. N. (2016). *Inventing the mathematician: Gender, race, and our cultural understanding of mathematics*. Albany, NY: State University of New York Press.

Leyva, L. A. (2017). Unpacking the male superiority myth and masculinization of mathematics at the intersections: A review of research on gender in mathematics education. *Journal for Research in Mathematics Education*, *48*(4), 397-452.

Mukhopadhyay, S., & Greer, B. (2015). Cultural responsiveness and its role in humanizing mathematics education. In K. Krainer & N. Vondrová (Eds.), *Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education* (pp. 1624-1629). Prague, Czech Republic.

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