Wikipedia is created by volunteer editors and hosted because of the Wikimedia Foundation, a non-income organization that also hosts A selection of other volunteer jobs:۱۹۰۲ - زادروز پل دیراک فیزیک‌دان و ریاضی‌دان انگلیسی، از پایه‌ریزان مکانیک کوانتومی.7. Member DILARANG melanj