Technology and the built world

Christian Joachim

Christian Joachim is a French nanoscientist and CNRS research director at CEMES in Toulouse, a pioneer of single-molecule electronics and molecular machinery who won the Feynman Prize in 1997 and 2005.

Christian Laszlo Belady

Christian Laszlo Belady is a data center engineer who originated the Power Usage Effectiveness metric, led Microsoft's data center research until retiring in 2023, and was elected to the National Academy of Engineering in 2024.

Christian Linder

Christian Linder is a computational mechanician who is a professor of civil and environmental engineering at Stanford University, leading the CM2 Lab and winning a PECASE award.

Oct 10, 2026

Christian Otto Mohr

Christian Otto Mohr (1835–1918) was a German civil engineer and professor of engineering mechanics at Stuttgart and Dresden, known for Mohr's circle, the moment-area method, and railway bridge design.

Christian Theobalt

Christian Theobalt is a German computer scientist who directs the Visual Computing and Artificial Intelligence department at the Max Planck Institute for Informatics in Saarbrücken.

Christian von Koenigsegg

Christian von Koenigsegg, full name Christian Erland Harald von Koenigsegg, is a Swedish entrepreneur who founded Koenigsegg Automotive in Ängelholm, Sweden, in 1994 and leads it as CEO and CTO.

Christiansborg Palace

Christiansborg Palace, known in Danish as Christiansborg Slot, is a palace on the islet of Slotsholmen in central Copenhagen that houses the Danish Parliament, the Prime Minister's Office, and the Supreme Court.

Christina Delimitrou

Christina Delimitrou is a Greek computer systems researcher and MIT associate professor known for applying machine learning to cloud resource management, who received a 2025 PECASE award.

Christina Koch

Christina Hammock Koch is an American engineer and NASA astronaut who holds the record for the longest single spaceflight by a woman, 328 days aboard the International Space Station.

Oct 15, 2026

Christina Lake oil sands project

The Christina Lake oil sands project is a Cenovus Energy steam-assisted gravity drainage (SAGD) bitumen operation in the Athabasca oil sands region of Alberta, south of Fort McMurray.

Christina Payne

Christina (Christy) M. Payne is an American chemical engineer who used molecular simulation to study cellulose- and PET-degrading enzymes, earned tenure at Kentucky, and now directs NSF programs.

Christina Smolke

Christina Smolke is an American synthetic biologist and Stanford adjunct professor of bioengineering who led the first biosynthesis of opioids in yeast and co-founded Antheia.

Christina Wildfire

Christina Wildfire is an American research engineer at the National Energy Technology Laboratory who leads its Center for Microwave Chemistry and won a 2025 PECASE award.

Christine A. Ehlig-Economides

Christine A. Ehlig-Economides is an American petroleum engineer, elected to the National Academy of Engineering in 2003, who developed the industry-standard well-test analysis methods and now researches geologic carbon dioxide storage.

Christine A. Wang

Christine A. Wang is a semiconductor materials scientist at MIT Lincoln Laboratory, elected to the National Academy of Engineering in 2019 for epitaxial crystal growth of III-V semiconductors and OMVPE reactor design.

Christine Darden

Christine Darden, born 1942, is an American mathematician and aerospace engineer who spent 40 years at NASA Langley and became a leading expert on sonic boom minimization.

Christine Duval

Christine E. Duval is an American chemical engineer at Case Western Reserve University whose membranes purify radionuclides and rare earths; she received a 2025 PECASE award.

Christine Mary Keville

Christine Mary Keville is an American construction engineer who founded Keville Enterprises, one of the country's largest woman-owned construction management firms, and chairs the National Academy of Construction.

Christine Maxwell

Christine Maxwell, also known as Christine Yvonne Malina-Maxwell, is a British internet pioneer and educator who co-founded the Magellan web directory and the data analytics firm Chiliad.

Christine Ortiz

Christine Ortiz is an American materials scientist, the Morris Cohen Professor at MIT, who studies biological materials like bone and mollusc armor and founded the nonprofit Station1 in 2016.

Christoph J. Brabec

Christoph J. Brabec, also cited as Christoph Brabec, is a German materials scientist who works on organic and perovskite solar cells, chairing materials science at FAU Erlangen-Nürnberg.

Christoph R. Müller

Christoph R. Müller is a professor at ETH Zurich who leads the Laboratory of Energy Science and Engineering, researching CO2 capture, catalysis, and granular systems.

Christophe Ballif

Christophe Ballif (born 1969) is a Swiss physicist directing EPFL's Photovoltaics Laboratory in Neuchâtel and the CSEM Sustainable Energy Center, working on high-efficiency silicon solar cells.

Oct 15, 2026

Christophe Plantin

Christophe Plantin (c. 1520–1589) was a French-born printer and publisher who settled in Antwerp, where his Officina Plantiniana became the world's largest publishing house by 1570.

Christopher A. Mattson

Christopher A. Mattson is an American mechanical engineer and professor at Brigham Young University, known for multi-objective design optimization and for products serving people in poverty, who received a 2011 PECASE award.

Christopher A. Schuh

Christopher A. Schuh is an American metallurgist, dean of Northwestern's McCormick School of Engineering since 2023, known for nanocrystalline metals research and co-founding Desktop Metal.

Christopher A. Voigt

Christopher A. Voigt is a synthetic biologist known for programmable genetic circuits and the Cello design software; he is Daniel I.C. Wang Professor and heads MIT's Department of Biological Engineering.

Christopher B. Burke

Christopher B. Burke is an American civil engineer who founded Christopher B. Burke Engineering in Rosemont, Illinois, and was elected to the National Academy of Engineering in 2021.

Christopher B. Lofgren

Christopher B. Lofgren is an American industrial engineer who led transportation and logistics company Schneider National as president and CEO from 2002 to 2019, and was elected to the National Academy of Engineering in 2009.