Add spaces: You'vegottobeintheconferenceroomintwohours.Ohboy,aren'tyougoingtofeelembarrassed.

Answer: You've got to be in the conference room in two hours. Oh boy, aren't you going to feel embarrassed.

Add spaces: Nosugaradded(28)

Answer: No sugar added (28)

Add spaces: In1938hemovedfromCityCollegetoBrooklynCollegewherehenowdecidedtomakemathematicshismainareaofstudy.

Answer:
In 1938 he moved from City College to Brooklyn College where he now decided to make mathematics his main area of study.