Marcia Keith does not appear to be a widely recognized individual or term as of my last knowledge update in October 2023. It could potentially refer to a person's name, a fictional character, a concept, or something else entirely. Without additional context, it's difficult to provide a specific answer.

Rolla Ramsey refers to an unusual and often debated case in the world of cryptozoology and urban legends. The most notable aspect is that it involves a purported encounter with a mysterious creature or entity in the wild. The term itself doesn't refer to any widely recognized phenomenon or well documented entity in detailed literature.

Alois Handl could refer to an individual or a specific term, but as of my last knowledge update in October 2021, there isn't any notable information widely recognized under that name.

Carl Auer von Welsbach (1858–1929) was an Austrian scientist, inventor, and entrepreneur known for his significant contributions to chemistry and engineering. He is particularly famous for his work with rare earth metals and their compounds. One of his most notable achievements was the invention of the gas mantle in 1885, which improved the efficiency and brightness of gas lighting.

Franz Ignatz Cassian Hallaschka is a historical figure known for his work as an Austrian botanist, particularly in the 19th century. He is often recognized for his contributions to the field of botany, including classifications and studies of various plant species.

David Brewster (1781–1868) was a Scottish physicist, inventor, and writer known for his work in the field of optics. He is perhaps best remembered for his invention of the polarizing microscope and significant contributions to the study of light and polarization. Brewster also made important advancements in the understanding of diffraction and was involved in the development of the kaleidoscope, which he patented in 1817.

Hertha Ayrton (1854-1923) was a notable British engineer, mathematician, and physicist, recognized for her contributions to both the scientific community and women's advancement in the fields of science and engineering. Ayrton was not only the first woman to be elected to the Institution of Electrical Engineers (IEE) in 1899 but also the first female to present a paper to the IEE.

James Thomson (1822–1892) was a prominent engineer and physicist known for his contributions to thermodynamics and fluid mechanics. He was a professor of engineering at the University of Glasgow and played a significant role in the development of the science of thermodynamics, particularly through his work on heat engines and the kinetic theory of gases.

Johann Philipp Neumann may refer to various individuals depending on the context, but he is not widely recognized as a prominent historical or contemporary figure as of my last knowledge update in October 2021. If you were referring to a specific person, more context would help clarify your inquiry. It's also worth noting that names can refer to different people in different fields (like science, art, etc.) or even fictional characters.

Leopold Pfaundler is a well-known figure in the field of mathematics, particularly in the area of mathematics education and pedagogy. He has contributed significantly to the development of methods and theories related to teaching mathematics effectively. His work often focuses on the importance of understanding mathematical concepts rather than merely memorizing procedures, emphasizing critical thinking and problem-solving skills in students.

C. H. D. Buys Ballot, or Christophorus Hubertus Dominicus Buys Ballot, was a Dutch meteorologist best known for formulating Buys Ballot's Law in the 19th century. Born on October 10, 1817, Buys Ballot made significant contributions to the study of meteorology, particularly in the understanding of wind patterns and atmospheric pressure.

Cornelis Wind doesn't appear to refer to a widely recognized figure, concept, or terminology as of my last training cut-off in October 2023. It's possible that it could be the name of a person, perhaps in a specific field or locality, or it might refer to a term or concept that has emerged after that date.

Katherine Clerk Maxwell (1831–1879) was a significant figure in the 19th century, primarily known for being the wife of the famous physicist James Clerk Maxwell. While Katherine herself was not a scientist, she played an important supportive role in her husband's work and was influential in his life and career. She was born Katherine Mary Dewar in India and grew up in Scotland.

Michael Faraday (1791–1867) was an English scientist renowned for his contributions to the fields of electromagnetism and electrochemistry. He is best known for his discovery of electromagnetic induction, which is the principle behind electric generators and transformers. Faraday's experiments led to the formulation of Faraday's laws of electrolysis and the concept of the electric field.

Robert Traill Omond (1860–1929) was a Scottish physicist and mathematician known for his contributions to the fields of optics and electromagnetism. He was particularly noted for his work on the electromagnetic theory of light and made significant advancements in wave optics. Omond's research contributed to the understanding of light phenomena and the theoretical underpinnings of various optical systems. Additionally, he was involved in the education and development of future scientists through his teaching.

William Crookes (1832–1919) was a prominent English chemist and physicist known for his work in a variety of fields, including chemistry, physics, and the study of psychic phenomena. He is perhaps best known for the invention of the Crookes tube, an early experimental electrical discharge tube that played a significant role in the development of atomic physics and the study of cathode rays, which eventually led to the discovery of electrons by J.J. Thomson.

William Eccles (1903–1998) was an English physicist known for his contributions to the fields of physics and engineering, particularly in the study of electrical circuits and equipment. He is perhaps best recognized for his work on the development of the concept of the "Eccles-Jordan trigger circuit," which he co-developed with his colleague F. W. Jordan.

Adolph Theodor Kupffer was a German anatomist and pathologist best known for his discovery of Kupffer cells in 1876. Kupffer cells are specialized macrophages located in the liver that play a crucial role in the immune response by phagocytizing pathogens and clearing dead cells and debris from the blood. Kupffer's work significantly advanced the understanding of liver histology and immunology.

Hermann Karsten (1912–1997) was a notable German physicist, recognized for his contributions to the field of theoretical physics. He was particularly known for his work in areas such as quantum mechanics and nuclear physics. Karsten made significant contributions to the understanding of particle physics and the behavior of subatomic particles. He held academic positions and influenced many students and researchers through his teaching and mentorship.

Hermann Knoblauch is a name that isn't widely recognized in popular culture or history, so it may not correspond to a well-known figure or concept. If you're referring to a specific individual, context, or industry (such as science, art, etc.