Add spaces between the words in the following text: WhileatGöttingen,StruikmadefulluseoftheexcellentlibrarytheretostudytheRenaissancemathematiciansRies,Rudolff,Apianus,StifelandStevin.
While at Göttingen, Struik made full use of the excellent library there to study the Renaissance mathematicians Ries , Rudolff , Apianus , Stifel and Stevin .