๐Ÿ„น๐Ÿ…„๐Ÿ…‚๐Ÿ…ƒ๐Ÿ„ธ๐Ÿ„ฝ ๐Ÿ„ฟ๐Ÿ„ด๐Ÿ…๐Ÿ…๐Ÿ„พ๐Ÿ„ฝ (@perronjk) 's Twitter Profile
๐Ÿ„น๐Ÿ…„๐Ÿ…‚๐Ÿ…ƒ๐Ÿ„ธ๐Ÿ„ฝ ๐Ÿ„ฟ๐Ÿ„ด๐Ÿ…๐Ÿ…๐Ÿ„พ๐Ÿ„ฝ

@perronjk

Canadian living in southern California. Professor of physics. he/him. sites.google.com/view/perronlabโ€ฆ

ID: 3239705807

calendar_today07-05-2015 00:17:47

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