Famous
A phenomenon that is widely known and discussed is climate change. This global issue has sparked conversations and debates across the world due to its impact on the environment, economy, and society.
There is no widely known figure or historical person named Lyncoca. It is possible that this is a misspelling or a less popular/personal name associated with someone or something not widely recognized.
Suzanne Collins' religious beliefs are not widely known or publicly discussed. She has not shared details about her personal religious affiliation or practices.
Jacqueline Wilson's religious beliefs are not widely known or publicly discussed.
If something is unknown it is not known by someone or something.
Jessica Alba has not publicly disclosed her sexual orientation. As a private matter, it is not widely known or discussed.
There is no widely known person or public figure by the name Lauren Monger. It is possible that it could be a private individual or someone not well-known to the public.
Ali Breadwinner is not a known public figure or personality. It is possible that you may be referring to someone who is not widely recognized.
immortalizing
You need to choose a person who did something that you personally think is heroic - it can be someone local like a firefighter or police officer, or it can be someone more widely known. You can choose a famous historic hero or someone who is still alive.Nobody else can tell you what you find interesting - you have to make your own opinion choices.
James Patterson's political views are not widely known or publicly discussed. He tends to focus more on his writing and philanthropic efforts rather than publicly sharing his political beliefs.
As of my last update, there is no widely known singer named Cassie who identifies as "biosexual." It is possible that this term refers to a specific aspect of someone's identity that is not widely recognized or understood in the mainstream.
If something is infamous, then it is well known (famous) for a bad reason. According to Wolfram|Alpha, infamous is an adjective meaning "known widely and usually unfavorably".