Nominations are invited for the 25th annual Michelson Postdoctoral Prize Lectureship to be held Fall 2023 in the Department of Physics, Case Western Reserve University. The prize is awarded annually to a postdoctoral scholar active in any field of physics. The winner will spend one week in residence at CWRU and deliver 2 technical lectures and a colloquium. The lectureship carries an honorarium of $2500 plus all travel expenses. The deadline for nomination is May 4, 2023. More details can be found in Physics Today, Academic Jobs Online, and on the MPPL home page.