When spelled without the letter T, this name is associated with the curve used to calculate the Gini coefficient. It also is the first name of the lyricist who, before Oscar Hammerstein, often teamed up with Richard Rodgers, and it names another curve that looks like a butterfly used to demonstrate 
When spelled without the letter T, this name is associated with the curve used to calculate the Gini coefficient. It also is the first name of the lyricist who, before Oscar Hammerstein, often teamed up with Richard Rodgers, and it names another curve that looks like a butterfly used to demonstrate chaos. With the letter T in the middle, this names the physicist whose transformations were used to explain the Doppler Effect with respect to light as well as special relativity. Give the last name common to both the Dutchman who shared the Physics Nobel Prize with Zeeman and the Austrian who shared the Physiology Nobel Prize with von Frisch and Tinbergen for studying swan imprinting.
When spelled without the letter T, this name is associated with the curve used to calculate the Gini coefficient.
Lorenz (or Lorentz)