Einsteinium
Einstenio (Es, Z=99)
- Date
- 1952 · confidence high
- Place
- Berkeley, California, United States (Ivy Mike debris, Enewetak)
- Credited to
- Albert Ghiorso and collaborators (Berkeley, Argonne, Los Alamos)
- People
- 👤 Albert Ghiorso1915–2010👤 Glenn T. Seaborg1912–1999
- Field
- Matter & energy
What was discovered
Identified in debris from the first thermonuclear bomb (Ivy Mike, Enewetak Atoll) collected by aircraft and analysed in Berkeley; kept secret until 1955.
Named in honour of Albert Einstein.
What it led to
- Demonstration of multiple neutron capture in explosions
- Target for synthesising mendelevium
- Study of actinides in visible quantities
Built on
- Hydrogen bomb (Ivy Mike)1952
- Ion exchange
Made possible
- Mendelevium1955
- Synthesis of mendelevium