Short answers, pulled from the story.
Writer Stan Lee and artist Jack Kirby created Cyclops, and he was first introduced in the comic book The X-Men #1 in September 1963. Originally named Slim Summers, the character was renamed Scott Summers by the third issue of the series.
Scott Summers' eyes emit powerful beams of energy known as optic blasts that fire involuntarily after he struck his head during a fall from a burning aircraft. He controls this energy using special eyewear made of ruby quartz, a translucent mineral that can contain the energy and prevent him from becoming a walking catastrophe.
Cyclops and Jean Grey married in X-Men vol. 2 #30 in March 1994. This union was followed by the four-issue miniseries The Adventures of Cyclops and Phoenix in summer 1994, which recounted how they traveled to the future to raise their son Nathan Summers.
During the Avengers vs. X-Men storyline published in 2011, the Phoenix Force took over Cyclops and formed the Phoenix Five. Cyclops eventually killed Professor X, was imprisoned, and was portrayed as suicidal in the five-part epilogue AvX: Consequences.
In the Krakoan age announced in March 2019, Cyclops was given the rank of Captain Commander and became a sovereign ruler for the mutant nation-state of Krakoa. He established a new base called the New Xavier School for the Gifted in the old Weapon X facility in Canada before eventually closing it.