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Professor III
Jon Haass
Astronomy · Sierra College
Beats 68.0% of professors on The Curve.
ELO
1,545
Global rank
#543,970
of 1,701,525
Percentile
68.0%
Avg. rating
3.3
out of 5
Difficulty
3.0
out of 5
Reviews
6
Among all 1,701,525 professors
Among professors at Sierra College