Deletion of Timeline of senescence research

Comment: Sure, this page has issues, but  really applies here. The unrealiable sources and the heavy reliance on primary sources can easily be fixed. What matters is the information is verified, and that the subject has beyond all doubt received enough coverage to meet the requirements at 
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE||WP:GNG)

Comment: The topic seems |notable although some of the sources don't really fulfil .  The amount of general information shows that the topic is |verifiable and encyclopaedic.  As to the question of using pros, I much prefer pros myself but this timeline format is understandable and, for me, is well done
Stance: keep
Cited policy: Wikipedia:Notability (WP:N||WP:RS||WP:V)