Alayón-Solarz, Daniel: A blog devoted as a depository of links and references related to the research of the quaternions and the Fueter operator.Alberts, Tom: Ph.D. Student at the Courant Institute of Mathematical Sciences, New York. CV, photos, other biographical material.Alpern, Dario: Electrical engineer and computer programmer. Some fun calculators, equation solvers, and numerical problems. Brief biographical information.Ang, W. T., Ph.D.: Associate Professor of Applied and Computational Mathematics at Nanyang Technological University, Singapore. CV, publications, links (includes a link to worldwide rankings for universities).Azad, Kalid Mohamed: Features articles on vector calculus, single-variable calculus, graphs and math recreations. Also, has explanations of astrophysics, business and computer science topics.