What is Karl Popper?
{{Infobox Philosopher <!-- Philosopher category --> |region = [[Western Philosophy]] |era = 20th century philosophy |color = #B0C4DE <!-- Image --> |image = Karl Popper.jpg |caption = Sir Karl Popper c. 1980s <!-- Information --> |name = Karl Raimond Popper |birth_date = 28 July 1902<br/>[[Vienna]], [[Austria]] |death_date = {{death date and age|1994|9|17|1902|7|28|df=y}}<br/>[[London]], [[England]] |main_interests = [[Epistemology]]<br/>[[Philosophy of science]]<br/>[[Social philosophy|Social]] and [[political philosophy]] |notable_ideas = [[Falsifiability]] [[Hypothetico-deductive method]]<br/>[[Open society]] |influences = [[Socrates]]&nbsp;<small>(via [[Plato]])</small>{{·}} [[Aristotle]]<br/>[[Immanuel Kant|Kant]]{{·}} [[Arthur Schopenhauer|Schopenhauer]]{{·}} [[Georg Wilhelm Friedrich Hegel|Hegel]]<br/>[[Albert Einstein|Einstein]]{{·}} [[Søren Kierkegaard|Kierkegaard]]{{·}} [[Ludwig Wittgenstein|Wittgenstein]]<br/>[[Vienna Circle|Vienna&nbsp;Circle]]{{·}} [[Alfred Tarski|Tarski]]{{·}} [[Otto Selz|Selz]]<br/>[[Bertrand Russell|Russell]]{{·}} [[Donald T. Campbell|Campbell]]{{·}} [[Edmund Burke|Burke]] |influenced = Virtually all [[philosophy of science]] since 1930s{{·}} [[Friedrich Hayek|Hayek]]{{·}} [[Milton Friedman|Friedman]]<br/>[[Imre Lakatos|Lakatos]]{{·}} [[Paul Feyerabend|Feyerabend]]{{·}} [[George Soros|Soros]]<br/>[[David Miller (philosopher)|Miller]]{{·}} [[Joseph Agassi|Agassi]]{{·}} [[William Warren Bartley|Bartley]]{{·}} [[Ernst Gombrich|Gombrich]]<br/>[[Ian Jarvie|Jarvie]]{{·}} [[Paul Levinson|Levinson]]{{·}} [[Helmut Schmidt|Schmidt]]{{·}} [[Peter Munz|Munz]]<br/>[[Bryan Magee|Magee]]{{·}} [[Konrad Lorenz|Lorenz]]{{·}} [[Jeremy Shearmur|Shearmur]]<br/>[[Peter Medawar|Medawar]]{{·}} [[Dimitris Dimitrakos|Dimitrakos]]{{·}} [[Hans Albert|Albert]]{{·}} [[Ernest Gellner|Gellner]]{{·}} [[Abdolkarim Soroush|Soroush]] }} [[Knight Bachelor|Sir]] '''Karl Popper''' [[Order of the Companions of Honour|CH]] [[Fellow of the Royal Society|FRS]] [[Fellow of the British Academy|FBA]] (