The early 1990s marked a significant period in the evolution of computing and technology. Here are some key introductions and milestones related to computers during that time: 1. **Windows 3.0 (1990)**: Microsoft released Windows 3.0 in May 1990, which was a major improvement over its predecessors. This version featured enhanced graphical user interface (GUI) capabilities, improved multitasking, and better performance.

Computer-related introductions in 2017 encompassed a wide range of advancements, technologies, and trends that shaped the industry. Here are some key highlights from that year: 1. **Artificial Intelligence (AI) and Machine Learning**: 2017 saw significant developments in AI technologies, including advancements in natural language processing (NLP) and deep learning. Companies like Google, Microsoft, and Facebook were heavily investing in AI research, leading to improved virtual assistants, image recognition, and conversational AI.

The 1830s marked a significant period in the early development of concepts that would later become central to computer science and computing. While modern computers as we know them did not exist at that time, several key figures and inventions laid the groundwork for future computational technologies. Here are some important developments from that era: 1. **Charles Babbage**: Often referred to as the "father of the computer," Babbage designed the Analytical Engine in the 1830s.

Luis von Ahn is a prominent computer scientist and entrepreneur known for his work in the fields of computer science, human computation, and education. He was born on August 19, 1970, in Guatemala. Von Ahn is best known for co-founding several influential projects and companies, including: 1. **CAPTCHA**: A system designed to distinguish between human users and bots, often seen on websites to prevent automated abuse.

The 1840s marked a significant period in the conceptual development of computing, although practical computers as we know them today did not yet exist. Key events and figures from this time laid the groundwork for future advancements in computer science: 1. **Charles Babbage**: Often referred to as the "father of the computer," Babbage designed the Analytical Engine in the 1830s and continued to work on it into the 1840s.

The Grace Murray Hopper Award is a prestigious recognition awarded by the Association for Computing Machinery (ACM). It honors outstanding young computer professionals who have made significant contributions to the computing community and the field of computer science. Named after Rear Admiral Dr. Grace Murray Hopper, a pioneer in computer programming, the award focuses on recognizing achievements that have considerable impact and demonstrate the spirit of innovation and leadership in computing.

As of my last knowledge update in October 2023, Alexandra Illmer Forsythe is an American author known for her work in the field of historical fiction. Alternatively, there might be other contexts or individuals associated with that name.

Eric S. Roberts is a prominent computer scientist known for his contributions to the fields of computer science education and programming languages. He is a professor emeritus at Stanford University and has been particularly influential in the development of introductory programming curricula. Roberts is also known for his work on educational materials, including textbooks and online resources, that aim to make computer science more accessible to students.

Ian Sommerville is a well-known figure in the field of software engineering, particularly recognized for his contributions to software engineering education and practices. He is the author of several influential textbooks, including "Software Engineering," which is widely used in academic settings to teach principles, methodologies, and practices of software engineering. Sommerville's work has focused on various aspects of software development, including software processes, requirements engineering, and software design.

John Hughes is a noted computer scientist primarily recognized for his contributions to the field of functional programming and graphics. He has been influential in the development of programming languages and techniques, specifically in the context of functional programming and computer graphics. One of his key contributions is his work on the Haskell programming language, where he has been involved in its development and the promotion of functional programming principles.

"Discoveries" is a book by James Whitney Young that focuses on the nature of scientific discovery and the processes involved in it. Young explores how new ideas emerge, the role of creativity in scientific thought, and the often serendipitous nature of breakthroughs. He may also examine historical examples and the impact of discoveries on society and technology.

Judith Gersting is a computer scientist known for her contributions to the field of computer science education and algorithms. She is particularly recognized for her work in developing educational materials and textbooks that focus on data structures and algorithms. One of her notable works is the textbook "Data Structures: A Contextual Approach," which is used in academic settings to teach students about the fundamental concepts in data structures and programming.

Leslie P. Kaelbling is a prominent computer scientist known for her work in artificial intelligence, particularly in the areas of reinforcement learning, robotics, and autonomous systems. She is a professor at the Massachusetts Institute of Technology (MIT) and is associated with the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL). Kaelbling's research often focuses on the development of algorithms that enable machines to learn from and interact with their environments, making significant contributions to the field of AI.

Richard J. Cole is a name that could refer to multiple individuals across various fields, such as academics, authors, or professionals in different industries. Without more specific context regarding who Richard J. Cole is or the field you are referring to (like science, literature, etc.), it's difficult to provide a precise answer.

Owen Astrachan is a computer scientist and professor known for his work in computer science education, particularly in the areas of programming, software development, and curriculum design. He has been involved in various educational initiatives and is associated with teaching introductory programming courses. Astrachan has also contributed to the development of computer science materials and resources aimed at improving the quality of education in this field.

Randy Pausch was an American professor of computer science and human-computer interaction at Carnegie Mellon University, best known for his inspiring "Last Lecture" delivered in September 2007. In this lecture, titled "Really Achieving Your Childhood Dreams," Pausch spoke about his life, achievements, and the lessons he learned, all while facing terminal pancreatic cancer. The talk became immensely popular and went viral, leading to a book publication in 2008, also titled "The Last Lecture.

Samuel N. Alexander is likely to refer to a recognized individual, but without more context, it's challenging to provide a specific answer. There may be multiple figures with that name in various fields such as academia, literature, or other professions.

Tom Pittman is an American computer scientist known for his contributions to computer science education and his work in programming languages and systems. He is particularly recognized for his involvement in optimizing and teaching computing concepts and for contributions to research in programming methodologies. In the broader context, he is also known for his role in the development of educational programs and resources in the field of computer science. His work has influenced both academic and practical approaches to teaching programming and computational thinking.

Wolfgang Händler does not appear to be a widely recognized figure, concept, or topic as of my last knowledge update in October 2021. It’s possible that he could be a person who gained relevance after my last update, or he could be a figure with niche significance.

"Xia Zhou" can refer to a couple of different things depending on the context: 1. **Historical Context**: In Chinese history, "Xia" (夏) refers to the Xia Dynasty, which is traditionally considered the first dynasty in Chinese history, existing from around 2070 to 1600 BCE. The Zhou Dynasty (周) followed the Shang Dynasty and began around 1046 BCE, lasting until 256 BCE.