Retired

My name is William Post. I am a world class theoretical physicist via the numerously cited article, "Exact Solution for the Diffusion a Particle in a Medium with Site Diagonal and Off-Diagonal Dynamic Disorder", published by the PHYSICAL REVIEW LETTERS journal, which is authored by A. Madhukar and W. Post, Departments of Physics and Materials Science, University of Southern California, University Park, Los Angeles, California, 90007, 28 November 1977. When the article was published, A. Madhukar was an Assistant Professor of Physics and Materials Science at the University of Southern California (USC), and I am W. Post, and when the article was published, I was a first-year graduate student in the Department of Physics at USC. The article extends Einstein's Diffusion Theory via Quantum Mechanics, has been cited over the last 50 years, is more accurate than Dr. Einstein's Diffusion Theory, and the number of applications of the article is greater than that of Einstein's Diffusion Theory. It has been used and continues to be used to advance Nanotechnology, Surface Physics, Medical Treatments, et. al. There is a lot of mathematics in physics (In the words of Karl Friedrich Gauss, "Mathematics is the queen of the sciences", and "Arithmetic is the queen of mathematics".) and I very much enjoy tutoring math. In my tutoring of mathematics, my principal aim is to have each of my students understand their material well enough so that each of my students can teach me the material; i.e., if my student doesn't learn the material, then I have failed my student as a tutor. I don't like to fail. I always think of each of my students as being smarter than me; so again, if my one of my students doesn't learn their subject, then I have failed to educate my student. I always adjust my tutoring style to each of my students. If my student needs to know background information, then I teach my student that. If my student is very advanced, then I challenge my student with exciting difficult problems. You, as my student, will know a lot more after you have had me as your tutor. Let's go!