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Lawrencium is a radio active atom that was obtained by nuclear fusion techniques. It does not occur in nature.

What the name means: Lawrencium was named after Ernest Orlando Lawrence, an American physicist and Nobel Laureate..
The International Union of Pure and Applied Chemistry (IUPAC)  temporarily named the new element Unniltrium, with the symbol Unt. In 1997 the IUPAC approved the name lawrencium, symbol Lr.

Who made lawrencium?: Albert Ghiorso and his co-workers at the Berkeley Laboratory of the University of California, USA in 1961.

About  lawrencium: Lawrencium was made by  bombarding californium atoms with boron ions. Only a few atoms of lawrencium have ever been made.