Add spaces: SpeakingofhisowninvolvementinBourbakianditsinfluenceonhisowncareer,Dieudonnewrites:

Answer: Speaking of his own involvement in Bourbaki and its influence on his own career, Dieudonne writes :

Add spaces: Prague-phototravels,CzechRepublic,CzechRepublicpictures,photosofCzechRepublic,Czechimages

Answer: Prague - photo travels, Czech Republic, Czech Republic pictures, photos of Czech Republic, Czech images

Add spaces: Thisareaisquietandresidential.

Answer:
This area is quiet and residential.