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DAVID MALAN: Hello, world.

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My name is David Malan,
and I teach CS50,

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which is Harvard University's
Introduction to Computer Science

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for students in college and beyond.

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For 15 years now, Scratch has
been the very first language

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that we introduce to students, most
of whom have never programmed before.

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And I myself had the
good fortune of meeting

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Scratch even before then, when
Scratch was just a little beta.

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I was a graduate student in Professor
Mitchel Resnick's course at MIT's Media

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Lab.

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And we had an opportunity to try
out an early version of Scratch.

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And I spent hours making my very
own first project, "Oscar Time."

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Since then it has been such a privilege
to watch Scratch grow and inspire

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so many students around the
world, younger and older.

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It is extraordinary what Professor
Resnick, John Maloney, Lifelong

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Kindergarten, the Scratch Foundation,
and so many of Scratch's team members,

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past and present, have accomplished.

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Indeed, education around the
world is the better for it.

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On behalf of CS50's
whole team and thousands

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of CS50 alumni around the world who have
learned how to program because of you,

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happiest of birthdays Scratch.