Nikolai bukharin , lenin 's favorite theoretician , advocated moving forward to a free-market economy , with peasants allowed to develop their land voluntarily and to purchase manufactured goods from abroad .
He was not the official theoretician of the second international or even the german social democratic party , and he often took a critical or even oppositional attitude to official decisions .
然而他并不是第二国际和德国社会民主党的官方理论家，经常批评甚至反对官方的决定。
Stephen parke , who is head theoretician at the fermilab near chicago and was not part of the research , said : " it 's a shock . It 's going to cause us problems , no doubt about that - if it 's true . "
Mr ryan , the ranking member of the budget committee , has made himself the party 's indispensable theoretician since producing his " road map for america 's future " , one of the most serious republican efforts to chart a way out of the country 's long-term fiscal crisis .
