I'm your Grandma.

I have, in the past, written encyclopedia articles for McGraw-Hill Publishers and for World Book.

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70+This user is a septuagenarian.

HThis user attends or attended Harvard University.

This user is interested in
science.

This user is interested in geophysics.

This user is interested in physics.

This user is interested in mathematics.

This user is interested in statistics.

This user is interested in history.

This user is interested in art.

This user likes jigsaw puzzles.

This user is against the colorization of black and white movies.