Sir '''Karl Popper''' (1902-1994) was an [[Austrian]]-born of Jewish origin [[philosopher]] of science widely regarded as one of the greatest philosophers of science of the 20th century,<ref>{{hnb|Stanford|2006}}</ref> whose insights help limit [[liberal]] fake science. He became increasingly [[conservative]] in his political views and he grew older, perhaps as compelled by the logic of his [[philosophy]].
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Sir '''Karl Popper''' (1902-1994) was an [[Austrian]]-born [[philosophy of science|philosopher of science]] of Jewish origin widely regarded as one of the greatest philosophers of science of the 20th century,<ref>{{hnb|Stanford|2006}}</ref> whose insights help limit [[liberal]] fake science. He became increasingly [[conservative]] in his political views and he grew older, perhaps as compelled by the logic of his [[philosophy]].
His development of the important concept of [[falsifiability]] was immensely influential.
His development of the important concept of [[falsifiability]] was immensely influential.