Harvard’s Chemistry and Physics A.B. is designed for students who want to explore the boundary between two closely connected physical sciences, combining rigorous study of chemistry, physics, and mathematics with flexibility to pursue related scientific interests. The concentration builds foundations in organic, inorganic, and physical chemistry, mechanics, electromagnetism, waves, and quantum theory, preparing students for graduate study and careers in chemistry, physics, quantitative fields, medicine, and other scientific professions.
Curriculum Structure
First Year: Students begin by establishing the mathematical and scientific foundations required for the concentration, with CHEM 10: Quantum, Statistical and Computational Foundations of Chemistry serving as a recommended chemistry gateway and PHYSICS 15A: Introductory Mechanics and Relativity or an approved alternative providing the mechanics foundation. Students are also encouraged to build mathematics proficiency through MATH 21A and MATH 21B or higher-level equivalents, creating the quantitative base needed for advanced chemistry and physics.
Second Year: The curriculum develops the core chemistry sequence through CHEM 20: Organic Chemistry and CHEM 30: Organic Chemistry, while students progress through PHYSICS 15B and PHYSICS 15C to study electromagnetism, waves, and related physical principles. Students who prefer a medical-school pathway may instead use the CHEM 17 and CHEM 27 organic chemistry sequence, which Harvard specifically identifies as an alternative.
Third Year: Students move into the deeper theoretical connection between chemistry and physics through CHEM 40: Inorganic Chemistry and CHEM 60: Quantum Mechanics and Statistical Mechanics or approved alternatives such as CHEM 161 and PHYSICS 181. They can also begin advanced study through PHYSICS 143A: Quantum Mechanics, while selecting additional chemistry, physics, mathematics, or related science courses according to their academic interests.
Fourth Year: The final year provides room for advanced and individualized study, with students completing the 13-course concentration through upper-level chemistry, physics, mathematics, applied science, engineering science, or computer science courses that have a significant application to chemistry or physics. Students can also undertake CHEM 99R or PHYSICS 90R research, and the concentration permits an optional thesis, giving students a pathway into deeper independent scientific work.
Focus Areas: Organic chemistry, inorganic chemistry, physical chemistry, mechanics, electromagnetism, waves, quantum mechanics, statistical mechanics, mathematical physics, applied physics, computational science, quantitative sciences, medicine, related chemistry and physics fields.
Learning Outcomes: Quantitative problem-solving, mathematical modeling, experimental reasoning, chemistry fundamentals, physics fundamentals, scientific analysis, mechanics, electromagnetism, waves, quantum theory, statistical mechanics, research skills, interdisciplinary scientific thinking. Harvard states that the concentration aims to develop students’ ability to ask and answer quantitative questions and apply mathematical reasoning to the physical world through problem sets and laboratory work.
Professional Alignment (Accreditation) : Not stated by Harvard as a separately accredited professional program; Harvard describes the Chemistry and Physics A.B. as an honors-eligible undergraduate concentration administered through the Physics Department with participation from both Physics and Chemistry and Chemical Biology.
Reputation (Employability Rankings) : Harvard University provides an internationally recognized research environment, and the Chemistry and Physics concentration is specifically designed as preparation for graduate work and careers in chemistry, physics, quantitative fields, and medicine. Harvard does not publish a separate official employability ranking for this specific concentration, so no program-specific ranking is stated here.
Harvard’s A.B. in Chemistry and Physics (ChemPhys) gives students practical exposure to the boundary between chemistry and physics through laboratory-based coursework and original research. Students can work with Harvard faculty in research groups, use specialized scientific instrumentation, and pursue research during the academic year or through summer opportunities; the program’s interdisciplinary structure also connects chemistry, physics, mathematics, and computational approaches.
Students can build practical experience through:
The A.B. in Chemistry and Physics provides an interdisciplinary foundation for graduate research as well as careers across science, technology, medicine, and other professional fields. Harvard Physics reports that in 2024–25, 79 students graduated with Physics or Chemistry and Physics bachelor’s degrees; more than half continued into graduate programs, while about one-third entered industry or research institutions.
Typical career roles: Research Scientist, Laboratory Scientist, Data Scientist, Technical/Scientific Consultant.
Career development and progression are supported through:
Further Academic Progression: Graduates can continue into Ph.D. programs in Physics, Chemistry, Chemical Physics, Applied Physics, Biophysics, or Quantum Science and Engineering, depending on their research interests. Harvard also identifies related doctoral pathways including Molecules, Cells and Organisms and other interdisciplinary programs that accept students with strong backgrounds in chemistry and physics.


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