From 2020: “It felt like the coolest video game I’d ever gotten my hands on,” one student said, after discovering recordings of lectures from Harvard’s introductory computer-science class on YouTube.
Gabriel Guimaraes grew up in Vitória, Brazil, in a yellow house surrounded by star-fruit trees and chicken coops. His father, who wrote software for a local bank, instilled in him an interest in computers. On weekends, when Guimaraes got bored with Nintendo video games, he programmed his own. In grade school, he built a humanoid robot and wrote enough assembly code to make it zip around his home.
Malan’s investment in virtual learning has transformed the way that students engage with the class at its home base, too. CS50 is one of Harvard College’s most popular courses; it’s also the only one that students can watch live, in high definition, from their dorms. In the past, Malan has encouraged them to do so, writing, in a blog post from 2016, that it might well be “a better educational experience to watch CS50’s lectures online than attend them in person.
Malan’s remote-teaching setup involves a host of technology, including a seven-foot-wide interactive computer screen, called a Microsoft Surface Hub. Behind the scenes, Malan’s production team screened and queued up a selection of callers to ask questions. The group included a fifteen-year-old from Athens, a dentist from Buenos Aires, and a Dominican children’s educator living in Texas, plus others from Canada, England, Kenya, and Morocco. “It’s an honor, first of all,” Sugeet, an architecture student from Dharwad, India, said, when it was his turn, before posing a question about how to apply Malan’s coursework to the design of buildings.
By the time Malan entered Harvard as a freshman, in 1995, the rise of the Internet had made the field impossible to dismiss. The dot-com bubble was beginning to inflate. Larry Page and Sergey Brin, two precocious Ph.D. students at Stanford, were busy at work on an early version of a search engine called BackRub, which they’d eventually rename Google. But Malan, the son of an advertising executive and a middle-school teacher, planned to major in government.
CS50’s full-time production technologists work with Malan to film, edit, and upload not only the course’s lectures, office hours, and how-to videos but also a slew of ancillary entertainment material. Not unlike a tech entrepreneur “disrupting” industry regulations, Malan has a habit of flouting academic norms to facilitate CS50’s expansion. In 2014, he successfully lobbied Harvard to grant CS50 the sole exemption from a policy prohibiting students from enrolling in two classes scheduled at the same time; double-booked students, he argued, could just watch his lectures later.
Leitner, who is sixty-six years old, with the scruffy look of an old-school programmer, spoke with obvious admiration of CS50, but he said that he has hesitated to approve some of the class’s expenditures. As Malan reminded me several times, he shoots CS50 in 4K high resolution, the standard for professional digital filmmaking, in order to achieve an experience “on par with what you would expect from Netflix.
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