• Frank F. from Philadelphia, PA

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    My PhD is in Political Science from Clark Atlanta University. I’ve been teaching for 3 years at the college level. I also did substitute teaching at most grade levels, as well as tutoring in age groups ranging from small children to older adults. I enjoy working with and mentoring students and getting to know them better.I have a passion for Read more...

  • Yuri R. from Philadelphia, PA

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    Hi and Welcome!During my 40+ years career as a Laser Optics scientist/engineer, Information Technology Specialist and programmer I used to apply mathematics on a daily basis. I was born in St.Petersburg (former Leningrad) where I got MS in Optical Engineering and PhD in Applied Mathematics and Physics. Since 1993 I have been living in the USA, where I continue my Read more...