Add spaces: (2)theEnglishspeakingworlddidnotreadherbookbutread,instead,Kleene'sbookof1952.

Answer: (2) the English speaking world did not read her book but read, instead, Kleene 's book of 1952.

Add spaces: Thisisthesecondtime,Ithought,mylifeisinthehandsofasingleperson.

Answer: This is the second time, I thought, my life is in the hands of a single person.

Add spaces: Afterafewmonthsofhardwork,theengineisnownearlyready,Ihopesomeofyouwilltakeadvantageofitandthatwe'llmanagetobuildastrongcommunity.

Answer:
After a few months of hard work, the engine is now nearly ready, I hope some of you will take advantage of it and that we'll manage to build a strong community.