Mark Oliver Everett
is the lead singer, songwriter, guitarist, keyboardist and sometime drummer of the independent rock band Eels

Eels (band)

Eels is an American indie rock band formed by singer/songwriter Mark Oliver Everett, better known as E...

. Also known as E, Everett is known for writing songs tackling subjects such as death, mental illness, loneliness and unrequited love.
Mark Oliver Everett is the son of physicist Hugh Everett III, originator of the many-worlds interpretation

Many-worlds interpretation

The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wavefunction, but denies the actuality of wavefunction collapse. Many-worlds implies that all possible alternative histories and futures are real, each representing an...

 of quantum theory

Quantum mechanics

Quantum mechanics, also known as quantum physics or quantum theory, is a branch of physics providing a mathematical description of much of the dual particle-like and wave-like behavior and interactions of energy and matter. It departs from classical mechanics primarily at the atomic and subatomic...

 and of the use of Lagrange multipliers

Lagrange multipliers

In mathematical optimization, the method of Lagrange multipliers provides a strategy for finding the maxima and minima of a function subject to constraints.For instance , consider the optimization problem...

 for general engineering

Engineering

Engineering is the discipline, art, skill and profession of acquiring and applying scientific, mathematical, economic, social, and practical knowledge, in order to design and build structures, machines, devices, systems, materials and processes that safely realize improvements to the lives of...

 optimizations

Optimization (mathematics)

In mathematics, computational science, or management science, mathematical optimization refers to the selection of a best element from some set of available alternatives....

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