roger bacon,dwaynebacon
p>罗杰·培根roger bacon(约1214年—1293年),另 a target="_blank"
【预订】roger bacon: the father of experimental science and
in profile: steve schad, former marine shines as roger bacon
![预订 roger bacon & the origins of perspec. [9780198239925]](https://i.ssjz.top/upload/0/t15.baidu.com%2fit%2fu%3d2796107297%2c1834154321%26fm%3d224%26app%3d112%26f%3dJPEG%3fw%3d500%26h%3d500 "roger bacon,dwaynebacon")
预订 roger bacon & the origins of perspec. [9780198239925]
纳撒尼尔·培根(nathaniel bacon,1647年-1676年),是美国英属殖民地