ArangoDB is a multi-model database management system that supports various data models, including document, key-value, and graph data. It is designed to be flexible and efficient, allowing users to store and retrieve data in ways that best fit their application's needs.

DataStax is a company that provides a cloud-native data management platform built on Apache Cassandra, which is an open-source NoSQL database. Founded in 2010, DataStax specializes in offering solutions that enable businesses to manage large volumes of data across distributed environments with high availability and low latency.

FlockDB is a distributed graph database developed by Twitter. It is designed to efficiently store and manage large-scale graphs, particularly suited for applications that require high-speed data operations such as social networking, recommendation systems, and other functionalities that involve interconnected data. Key features of FlockDB include: 1. **Distributed Architecture**: FlockDB is built to operate across a cluster of machines, allowing it to scale horizontally to handle large amounts of data.

The term "software crisis" refers to a set of challenges and issues that arise in the software development industry, particularly as software systems become increasingly complex and integral to various aspects of society and business. This concept emerged in the late 1960s and is often associated with the difficulties in developing reliable, maintainable, and scalable software within budget and time constraints.

Dieter Lüst is a prominent German theoretical physicist known for his contributions to string theory and particle physics. He has worked on various aspects of these fields, including aspects of string compactifications, gauge theories, and dualities. Lüst has also been involved in academic and research activities, contributing to the scientific community through publications and collaborations.

Dieter Matthaei is a German biologist and neuroscientist known for his contributions to the field of molecular biology and genetics, particularly concerning the study of neural processes and mental health. He has been involved in research related to neurobiological models of behavior and the genetic underpinnings of neurological disorders.

Dieter Meschede is a German physicist known for his work in the field of laser physics and optics. He has contributed to the understanding of quantum optics, especially in the context of laser technology and coherent light. Meschede has published numerous research papers and has been involved in the academic environment, often teaching and mentoring students in physics.

Dirk Kreimer is a theoretical physicist known for his work in quantum field theory and related areas. He has contributed to the understanding of the mathematical foundations of quantum field theory, particularly in the context of perturbative renormalization and the use of combinatorial methods to analyze Feynman diagrams and their relationships to algebraic structures.

Eduard Riecke is not well known in popular culture or widely recognized fields, and there isn't much public information about an individual by that name. It's possible that Eduard Riecke could refer to a private individual, a figure in a specialized field, or a less well-known historical figure.

Erich Przybyllok does not appear to be a widely recognized figure or term based on my training data up to October 2023. It's possible that it may refer to a lesser-known individual, a fictional character, or a specific term that is not widely documented.

Ernst Emil Alexander Back is likely a misspelling or a confusion with "Ernst Emil Alexander Back" who is a German mathematician known for contributions in mathematical analysis and related fields, but as of my last update, there doesn't appear to be a well-known figure by that exact name in academia or popular culture.

Ewald Wollny appears to refer to a specific individual, but there may not be widely available or notable information on him in public sources.

Fritz Reiche (1883–1969) was a German physicist known for his contributions to theoretical physics, particularly in the field of quantum mechanics and atomic structure. He is recognized for his work on the theory of electron spin and his involvement in the development of the quantum theory of radiation. Reiche made significant contributions to our understanding of the behavior of electrons in atoms and the interaction of light with matter.

Georg Adolf Erman (1854–1939) was a renowned German physicist and mathematician best known for his contributions to the fields of electricity and magnetism, as well as his work in the development of electrical engineering. He made significant advancements in the theoretical understanding of electrical phenomena and contributed to various scientific explorations during his career.

Georg Friedrich von Jaeger, more commonly known as Georg Jaeger, was a notable German botanist and plant physiologist. He is known for his contributions to the study of plant physiology and morphology, and he was particularly recognized for his work in the field of plant classification. His research significantly advanced the understanding of plant adaptation and growth processes.

A nilmanifold is a specific type of manifold that can be represented as the quotient of a nilpotent Lie group by a discrete subgroup. To elaborate further: 1. **Nilpotent Lie Group**: A nilpotent Lie group is a type of Lie group where the derived series eventually leads to the trivial subgroup. This property has implications for the algebraic structure of the group and allows for a certain degree of "non-ableness".

Gerd Buschhorn is not a widely recognized figure in popular culture or history, so it may be that this name refers to a specific individual who is not in the public eye or well-documented. Without more context, it is difficult to provide a detailed answer.

Gerhart Lüders is a name associated with a significant result in the field of mathematics, particularly in the study of elasticity and mechanics of materials. The Lüders deformation phenomenon refers to the process that occurs in certain materials, such as low-carbon steels, during plastic deformation. When these materials are subjected to stress beyond their yield strength, they can exhibit localized deformation bands called Lüders bands, which propagate through the material.