阅读下面材料,在空白处填入适当内容(一个单词)或括号内单词的正确形式
When Dickens, one of the most famous 41 (novelist), died in 1870, the world regarded him 42 its first professional writer and publisher. Today Dickens’ 43 (great) is unchallenged. 44 did Dickens get to the top? First of all, Dickens’ style of writing attracted audiences from all walks of life 45 his writings rode a wave of social, political and 46 (science) progress. Secondly, he rewrote the culture of literature and put 47 (he) at the center. No one will ever know what mix of talent, 48 (ambitious), energy and luck made Dickens such a distinguished writer. But as the 200th anniversary of his birth 49 (approach), it is possible--and important for our own culture--to understand how he made himself a 50 (last) one.