Labour MP and former Shadow Work and Pensions Secretary Owen Smith is challenging Jeremy Corbyn for the leadership of the Labour party.
The Welsh politician, 46, is relatively unknown, but has been thrown into the spotlight since his campaign secured the backing of 88 MPs.
He credits former Health Minister Nye Bevan - the man who spearheaded the creation of the NHS - as an inspiration, but today had to defend himself against claims he supported privatisation when he worked for pharmaceutical giant Pfizer.
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Smith, who supported Trident renewal, says he is on the left of the party, and is also a former BBC journalist.
Here are 15 facts to know about the leadership contender as the race heats up:
1
He used to be a BBC producer
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2
The Met Police complained about him
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3
He joined Labour aged 16
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4
He is "on the left" of the party
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5
He was a lobbyist for big pharma
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6
He hasn't used Viagra
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7
He would have voted against the Iraq war
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8
His first attempt at becoming an MP went horribly wrong
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9
He's voted pro-welfare but mixed on the EU
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10
Nye Bevan is one of his heroes
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11
He gets compared to Tony Blair a lot
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12
He wants to change the Labour constitution
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13
He supported Trident renewal
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14
He marched with striking miners
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15
He is proudly Welsh
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