The writer such as were recommended by him in his speech are

我估计是不是你的“作者”少打了一个s?The writers such as were recommended by him in his speech are known to us all。这句话的主干是：The writers are known to us all。 这些作家为我们大家所熟悉。=我们都很熟悉这些作家。be known to sb 为某人所熟悉such as were recommended by him in his speech 是插入语,such as是“诸如。。。”的意思,诸如那些在他的演讲时被推他荐到的作家们参考译文：这些作家们,比如那些他在演讲时极力推荐到的作家们,我们都很熟悉。