Question: Who publishes Applied Physics A and B?

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Applied Physics B: Applied Physics B: Lasers & Optics is a peer-reviewed scientific journal published by Springer Science+Business Media.  The editor-in-chief is Dieter Meschede (University of Bonn).  Topical coverage includes laser physics, optical & laser materials, linear optics, nonlinear optics, quantum optics, and photonic devices.  Interest also includes laser spectroscopy pertaining to atoms, molecules, and clusters.  The journal publishes original research articles, invited reviews, and rapid communications.

Applied Physics A: "Applied Physics A: Materials Science and Processing" is a peer-reviewed scientific journal that is published monthly by Springer Science+Business Media.  The editor-in-chief is Michael Stuke (Max Planck Institute for Biophysical Chemistry).  This publication is complemented by "Applied Physics B (Lasers & Optics)".

Applied Physics Reviews: Applied Physics Reviews is an annual peer-reviewed scientific journal publishing reviews of topics of experimental or theoretical research in applied physics and applications of physics to other branches of science and engineering.  Originally a part of the "Journal of Applied Physics", "Applied Physics Reviews" began being published independently in January 2014 with volume numbering restarting at 1.  The editors-in-chief are John M. Poate (Colorado School of Mines) and Bill R. Appleton (University of Florida).  According to the Journal Citation Reports, the journal has a 2015 impact factor of 14.31.

Axel Scherer: Axel Scherer is the Bernard Neches Professor of Electrical Engineering, Physics, and Applied Physics at the California Institute of Technology.  He is also a Distinguished Visiting Professor at Thayer School of Engineering at Dartmouth College.  He is known for fabricating the world's first semiconducting vertical-cavity surface-emitting laser (VCSEL) at Bell Laboratories.  In 2006, Dr. Scherer was named the director of the Kavli Nanoscience Institute.  He graduated from New Mexico Institute of Mining and Technology in 1985.  At Caltech he teaches a very popular freshman lab course on semiconductor device fabrication: Applied Physics 9ab.  He wrote the textbook for the course nanofab.caltech.edu.

Robert Hengehold: Robert Hengehold from the Air Force Institute of Technology, was awarded the status of Fellow in the American Physical Society, after they were nominated by their Forum on Industrial and Applied Physics in 2008, for "pioneering contributions to semiconductor material characterization, over 30 years of distinguished and dedicated leadership in the development of graduate applied physics programs for military officers, and service to the physics community through APS sectional meetings specifically on applied and industrial phy"

Japan Society of Applied Physics: The Japan Society of Applied Physics (応用物理学会 , ōyō butsuri gakkai ) (JSAP) is a Japanese group of researchers in the field of applied physics.  JSAP originated in 1932 from a voluntary forum of researchers belonging to the University of Tokyo and the Institute of Physical and Chemical Research.  During World War II, most research, even applied, was frozen.  In 1946, the society was established as an official academic society.

Physical Review Applied: Physical Review Applied is a peer-reviewed, scientific journal, published by the American Physical Society (APS).  The Editor of "Phys.  Rev. Applied" is Troy Shinbrot and it publishes around 250 papers on the subject of applied physics.  It is part of the Physical Review family of journals.

Georgia Institute of Technology School of Physics: The School of Physics is an academic unit located within the College of Sciences at the Georgia Institute of Technology (Georgia Tech), Georgia, United States.  It conducts research and teaching activities related to physics at the undergraduate and graduate levels.  The School of Physics offers bachelor's degrees in Physics or Applied Physics.  A core of technical courses gives a strong background in mathematics and the physical principles of mechanics, electricity and magnetism, thermodynamics, and quantum theory.  The School of Physics also offers programs of study leading to certificates in Applied Optics; Atomic, Molecular, and Chemical Physics; and in Computer Bases Instrumentation.

Japanese Journal of Applied Physics: The Japanese Journal of Applied Physics (abbreviated as Jpn.  J. Appl.  Phys.)  is a peer-reviewed scientific journal that was established in 1962 and is published by the Japan Society of Applied Physics.  Since 1982, the journal has been published in two editions, Part 1 and Part 2:

Stephen Quake: Stephen Ronald Quake (born 1969) is an American scientist, inventor and entrepreneur.  He earned his B.S. in Physics and M.S. in Mathematics from Stanford in 1991 and his D.Phil.  in Physics from Oxford University in 1994 as a Marshall Scholar.  His thesis research was in statistical mechanics and the effects of knots on polymers.  He did his postdoctoral work at Stanford in single molecule biophysics with Steven Chu.  Quake joined the faculty of the California Institute of Technology at the age of 26, where he rose through the ranks and was ultimately appointed the Thomas and Doris Everhart Professor of Applied Physics and Physics.  He moved back to Stanford University in 2005 to help launch a new department in Bioengineering, where he is now the Lee Otterson Professor of Bioengineering and Applied Physics, and an Investigator of the Howard Hughes Medical Institute.

Supporting paragraphs: Applied Physics A Applied Physics B
Answer: Springer Science+Business Media