Original sentence: Friedrich von Hayek, one of the most eminent advocates of economic liberalism, his literature came to define much of economic policy in the UK and US following the ostensible influence of Hayek's economic philosophy on Margaret Thatcher and Ronald Reagan.He also famously influenced the climate of free-market thinking behind the Iron-curtain that stimulated the collapse of communist Eastern Europe
Edited sentence: Friedrich von Hayek, one of the most eminent advocates of economic liberalism, his literature came to define much of economic policy in the UK and US following the ostensible influence of Hayek's economic philosophy on Margaret Thatcher and Ronald Reagan, although there are significant questions as to the extent that the actual policies of these politicians actually comported with their free market rhetoric.{{cite needed}.{{cite needed} He also famously predicted the collapse of communist Eastern Europe and its subsequent fragmentation