Misc: what's the more familiar name of the himalayas' yeti?

Questions

In 1950 Element 98 - ---------- announced.?

In 1951 Kurt---------- , actor, born.?

In 1954 Leslie-Anne ---------- (in London, England), actor, born.?

In 1958 The U.S. Navy launched the ---------- satellite.?

In 1963 Elizabeth Ann ---------- of New York was beatified. She was sainted in 1975.?