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.

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.

François Arago (1786-1853) was a prominent French physicist, astronomer, and politician known for his significant contributions to various scientific fields, particularly in optics and astronomy. He is best known for his work on the polarization of light and for introducing the concept of the "Arago spot," which is a phenomenon observed in the diffraction of light. In addition to his scientific achievements, Arago played a notable role in public life.

Friedrich Ernst Dorn (1805–1891) was a German physicist known for his contributions to the field of thermodynamics and, in particular, for his work in the study of the properties of gases. He is often recognized for his investigations into thermal conductivity and gas diffusion. Dorn's research laid the groundwork for further advancements in understanding the behavior of gases under various conditions.

August Toepler was a German physicist known for his work in the field of optics and photonics. He is particularly recognized for his contributions to laser technology and spectroscopy. Toepler's research has had implications in various areas, including telecommunications and material sciences.

Christoph Heinrich Pfaff was a German physician and surgeon known for his contributions to medicine in the early 19th century. He is particularly noted for his work in ophthalmology and surgery. Pfaff was also involved in the academic and educational aspects of medicine, contributing to medical literature and the training of future medical professionals.

Ernst Christian Julius Schering (1850–1939) was a notable German chemist known primarily for his work in the field of pharmaceutical chemistry. He founded Schering AG, a company that became well-known for its contributions to the development and production of pharmaceuticals and specialty chemicals. Under his leadership, Schering AG played a significant role in the research and development of various medicinal products, particularly in the areas of hormones, contraceptives, and other therapeutic agents.

Ernst Pringsheim Sr. (1850–1941) was a notable German mathematician known for his contributions to the field of mathematics, particularly in the areas of complex analysis and the foundations of mathematics. Pringsheim was involved in the development of functional analysis and made significant contributions to the theory of functions of a complex variable. Additionally, he played a role in the mathematical community as an educator and mentor to many students.

Franz Ernst Neumann (1798-1895) was a German mathematician and physicist known for his contributions to various fields, including geometry, mathematical physics, and crystallography. He is particularly renowned for his work on the mathematical foundations of crystallography, where he made important advancements in understanding the symmetry and structure of crystals.

Johann Wilhelm Ritter (1776–1810) was a German physicist and pioneer in the field of electrochemistry and photochemistry. He is best known for his work on the relationship between electricity and chemical reactions, as well as his research in the area of ultraviolet light. One of Ritter's significant contributions was the discovery of the chemical effects of ultraviolet light, which he termed "chemical rays.

Heinrich Friedrich Weber can refer to different individuals depending on the context, but the most notable one is a German mathematician and engineer associated with contributions to geometry and engineering fields.

Heinrich Hertz (1857–1894) was a German physicist who made significant contributions to the field of electromagnetism. He is best known for his experiments that confirmed James Clerk Maxwell's theories about electromagnetic waves. Hertz was the first to produce and detect these waves in the laboratory, demonstrating that they could travel through space and confirming that they behave similarly to light waves. The unit of frequency, the "hertz" (Hz), is named in his honor.

Karl Johann Kiessling (also spelled Karl Johann Kiessling) appears to be a historical or notable figure, but there might not be widespread information available about him in publicly accessible resources or databases. As of my last update in October 2023, he doesn't appear to be widely recognized in major historical or cultural narratives.

Johann von Lamont (1805–1879) was a notable German astronomer and physicist who played an important role in the development of astrophysics in the 19th century. He is best known for his work in the fields of celestial mechanics and astrophysics, as well as for his observations of the atmosphere and his research on the properties of light. Lamont contributed to the study of the moon, planetary motion, and various astronomical phenomena.

Julius Elster (1828–1920) was a German physicist and engineer known for his contributions to the fields of thermodynamics, electricity, and instrumentation. He is notably recognized for his work in the development of measuring instruments. Elster is particularly well-known for his collaboration with Wilhelm Geitel, with whom he created the Elster-Geitel meter, an innovative device for measuring gas consumption, which laid the groundwork for modern gas metering technology.

Julius Plücker (1801–1868) was a German mathematician and physicist known for his contributions to geometry, particularly in the field of projective geometry and analytical geometry. He is best known for his work on the Plücker coordinates, which provide a way to represent lines in space using a set of coordinates that can be used in algebraic geometry.

Thomas Ranken Lyle (1855–1942) was a prominent Australian botanist known for his contributions to the study of Australian flora, particularly in relation to the taxonomy and classification of plants. He served as a professor of botany at the University of Melbourne and was involved in various scientific and botanical societies. Lyle's work helped advance the understanding of plant species in Australia and contributed to the broader field of botany during his time.

Paul Drude was a German physicist best known for his contributions to the field of solid-state physics and for the Drude model of electrical conduction in metals. Born on December 13, 1863, and passing away on July 5, 1906, he developed his model in the early 20th century, which describes how electrons move in a metal.

James Apjohn is a notable figure primarily recognized for his contributions to various fields, particularly in chemistry and education. He is often mentioned in connection with educational initiatives, possibly in a historical context. His work may also involve recognition in specific scientific advancements or methodologies.

Wilhelm Holtz is not a widely recognized figure or term in mainstream history or popular culture. It's possible that you may be referring to a lesser-known person, a fictional character, or a specific context not widely documented. If you have additional details or context about Wilhelm Holtz, such as related fields (like literature, history, or science), I may be able to provide more relevant information. Please clarify!