E is a text editor that was developed in the 1970s, primarily by David J. McNab, at Bell Labs. It is notable for being one of the early screen-oriented text editors designed for use with Unix systems. E is characterized by its simplicity and efficiency, allowing users to edit text files directly in a terminal environment. One of the key features of E is its model of operations, which allows users to navigate and manipulate text efficiently through a combination of keyboard commands.

In classical philosophy and ancient science, particularly within the framework of ancient Greek thought, Earth is one of the four fundamental elements, which also include Water, Air, and Fire. These elements were believed to be the basic building blocks of everything in the universe and were often associated with specific qualities: 1. **Earth**: Associated with stability, solidity, and materiality. It symbolizes the physical aspect of the world, representing the ground, nature, and the environment.

Eduardo Fradkin is a renowned theoretical physicist known for his contributions in the areas of condensed matter physics and quantum field theory. He has worked on topics such as topological phases of matter, quantum computing, and various aspects of quantum gravity. In academia, he is often associated with universities and research institutions where he has published numerous articles and papers.

In mathematics, eccentricity is a measure of how much a conic section deviates from being circular. It is primarily used in the context of conic sections, which include circles, ellipses, parabolas, and hyperbolas. Each type of conic section has a specific eccentricity value: 1. **Circle**: The eccentricity is 0. A circle can be thought of as a special case of an ellipse where the two foci coincide at the center.

Ecogeographic rules, also known as ecogeographical rules, refer to patterns of variation in the characteristics of organisms that are systematically associated with geographical and ecological factors. These rules help explain how environmental gradients, such as temperature, precipitation, altitude, and latitude, influence the distribution, morphology, behavior, and physiology of species.

The "economy of transport" refers to the efficient use of resources in the transportation sector to move people and goods. It encompasses various aspects, including: 1. **Cost Efficiency**: Evaluating the economic costs associated with different modes of transport (e.g., road, rail, air, maritime) and finding the most cost-effective method of transportation for a specific supply chain or passenger journey. This includes fuel efficiency, maintenance costs, infrastructure costs, and labor costs.

Edgar Tillyer (1885–1966) was an American painter, photographer, and educator, best known for his work in the field of art education and for his contributions to the visual arts in the United States. He was particularly recognized for his use of light and color in painting. Tillyer was also involved in photography, capturing numerous landscapes and scenes that reflected his artistic vision.

Edmund Hlawka is an Austrian mathematician known for his work in various fields of mathematics, particularly in analysis and number theory. He has also made contributions to the study of continued fractions and the theory of approximation. Hlawka has authored or co-authored several mathematical papers and has been involved in mathematical education and research.

Edward Feser is an American philosopher, author, and professor known for his work in philosophy of religion, metaphysics, and the philosophy of mind. He has gained prominence for his writings on Thomistic philosophy—the philosophical tradition that follows the thinking of Thomas Aquinas—as well as for his critiques of modern atheism and materialism. Feser has authored several books, some of which are aimed at both academic audiences and the general public.

Edward Ginzton was an American physicist and engineer known for his significant contributions to the fields of electronics and laser technology. He was a prominent figure in the development of microwave and optical devices, particularly in the context of semiconductors and lasers. Ginzton was associated with Stanford University and played a role in advancing research in these areas during the 20th century. Additionally, he was involved in various research projects that paved the way for innovations in telecommunications and optical systems.

Edward Jones was a statistician known for his contributions to the field of statistics, particularly in the areas of statistical quality control and the analysis of categorical data. His work involved developing methodologies that improved the understanding and application of statistical techniques in various fields, including manufacturing and social sciences. In addition to his contributions to statistical theory, he was involved in teaching and mentoring students in the field of statistics.

Edward Szturm de Sztrem is a Polish-American scientist recognized for his contributions in fields such as applied physics, engineering, and possibly other scientific disciplines. However, detailed and specific information about him may not be widely known or covered in popular sources.

Edwin Albrecht Uehling was an American physician and medical educator known for his contributions to the field of medicine, particularly in the study and treatment of diseases. He was also involved in research and published works in various medical journals. However, specific details about his life, work, and legacy may require further context or specificity, as there might be multiple individuals with similar names or varying significance depending on the medical or academic community.

The term "Eigencurve" is not widely recognized and may refer to specific concepts or terminologies in various scientific or mathematical contexts. However, it's possible that it pertains to topics like eigenvalues/eigenvectors in linear algebra or certain applications in data science, machine learning, or computer vision, where curves or functions are analyzed through eigendecomposition techniques.

Eleanor Mollie Horadam does not appear to be a widely recognized figure or term as of my last knowledge update in October 2023. It is possible that she could be a private individual, a character from a fictional work, or someone who has gained recognition after that date.

Electoral Calculus is an analytical tool or platform primarily used to predict and analyze election outcomes, particularly in the context of the UK electoral system. It employs various methods, including statistical models and polling data, to forecast the performance of different political parties and candidates in elections. The calculations take into account factors such as existing public opinion, historical voting patterns, demographic data, and constituency-level analysis.

Electrocardiography (ECG or EKG) is a medical diagnostic tool that records the electrical activity of the heart over a period of time. It involves placing electrodes on the skin to detect the heart's electrical signals, which are then displayed as wavy lines on a graph. This visual representation provides valuable information about the heart's rhythm, size, and position, as well as potential abnormalities in the heart's electrical conduction system.

Electrodynamic suspension (EDS) is a technological method used primarily in magnetic levitation (maglev) systems to suspend vehicles, such as trains, above a track without any physical contact. This system relies on the principles of electromagnetic forces to achieve levitation and stabilization. In EDS, superconducting magnets or electromagnets are employed to create a magnetic field. When the vehicle moves, these magnets interact with either fixed magnets or conductive coils embedded in the track.

As of my last knowledge update in October 2021, I do not have specific information about an individual named Elisabeth Gwinn. It's possible that she is a private individual who has not gained significant public attention or that events relevant to her have occurred after my knowledge cutoff date. If you could provide more context or specify who she is or her significance, I may be able to help you better. Otherwise, consider checking recent sources or databases for the most up-to-date information.