I am a STEM educationist working as a Vsiting Faculty at IISER Pune and a former Professor at HBCSE, a center for STEM education of TIFR. My interests are in designing collaborative learning environments, history, and philosophy of STEM, cognitive science and promoting software freedom, privacy in digital space, open educational resources, open standards and use of free and open source software in every area of life. More at https://www.gnowledge.org