Mussa Maravl is a researcher for the WDL from Sudan.

穆萨·玛拉威尔（Mussa Maravl）是WDL里来自苏丹的研究员。

The librarian of the United States Congress, James Billington, launched the WDL in 2009.

美国国会图书馆馆长 James Billington 于 2009 年发起了 WDL。

He says the WDL is posting many items about important developments in Arabic and Islamic science.

他说 WDL 正在发布许多关于阿拉伯和伊斯兰科学重要发展的项目。