A Humanist sans serif design that was the product of the collaboration between Robert Slimbach and Carol Twomblywith Fred Brady & Christopher Slye. Myriad was orignally released in 1992.
A prominent use of this typeface is by Apple (it is actually Myriad Pro Semibold).
A comparison of the principal differing characters in Myriad and Frutiger*.
* This is actually Bitstream’s Humanist 777, which is based directly on the Frutiger typeface.
Adrian Frutiger on Myriad