**Huolongjing**, often translated as "The Fire Dragon Manual," is a Chinese military text that dates back to the early 14th century during the Ming dynasty. Authored by the military engineer ***Jiaolong Liu***, it is significant for its detailed descriptions of early gunpowder weapons and military strategies. The text is one of the earliest comprehensive works on artillery in Chinese literature.

Igor Blauberg is a notable figure in the field of scientific research, particularly recognized for his contributions to the study of complex systems and mathematical models. He is known for his work in areas such as physics, mathematics, and systems theory. His research often explores the intersection of these disciplines, contributing to a deeper understanding of various phenomena in nature and technology.

Alenna Leonard is a prominent figure in the field of environmental sustainability and systems thinking. She is known for her work on integrating systems-based approaches to address complex social and environmental issues. Allenna has contributed to research, educational initiatives, and policy discussions, emphasizing the importance of understanding interconnections in ecological and social systems.

Amanda Cox may refer to different individuals, depending on the context in which the name is used. One notable Amanda Cox is a data journalist and visual editor known for her work with The New York Times, where she has contributed to various data-driven projects and visualizations.

Amy Braverman may refer to an individual, but without more specific context, it's hard to determine exactly who you are asking about. There could be multiple individuals with that name in various fields such as academia, business, or entertainment.

Angela Dale is a prominent figure in the field of social science research, particularly known for her work related to social policy, health, and demographics in the UK. She has contributed significantly to various studies regarding aging, social inequalities, and the impacts of social policies on different groups. Dale has been associated with academic institutions and research organizations, where she has worked on large datasets and population studies.

Anna Mikusheva is a professional who is known for her work in the field of academia and finance, particularly related to economics and international trade. She has been recognized for her research contributions and may also have been involved in teaching or consulting roles.

Betz Halloran is likely a reference to a company, organization, or concept. However, as of my last update in October 2021, there is no widely recognized entity or concept known specifically as "Betz Halloran." It could potentially refer to a local business, a person's name, or something that has emerged after my last training data.

Carmen A. Miró is a notable figure, particularly recognized for her contributions to the field of sociology. She has conducted extensive research on social issues, including gender studies, education, and social policy. However, there might be other individuals with that name, and specific details could vary based on the context in which you are referring to her.

Celia Greenwood does not appear to be a widely recognized figure or term as of my last knowledge update in October 2023. It’s possible that she could be a private individual, an emerging public figure, or a fictional character.

Eva Petkova could refer to different individuals or concepts, but without additional context, it is difficult to pinpoint exactly whom or what you are referring to. It's worth mentioning that Petkova is a common surname in some Slavic countries. If you could provide more details, such as a specific field (e.g.

Clara Collet (1873–1958) was a notable British economist and statistician, primarily recognized for her contributions to women's economics and labor issues. She was one of the first female economists to work within the field of labor statistics. Collet played a significant role in various organizations, including the Women's Industrial Council, where she focused on the economic conditions of women and their employment rights. Her work often involved analyzing labor market trends and advocating for improved working conditions for women.

Cristina Parel does not appear to be a widely recognized figure or concept as of my last update. It's possible that she could be a person in a specific field such as academia, art, or another profession, or perhaps a fictional character.

Dominique Haughton is known as a mathematician and statistician. She is recognized for her contributions to the fields of statistics and applied mathematics, particularly in areas such as time series analysis and statistical modeling.

Elizabeth DeLong is not a widely recognized public figure or concept as of my last update in October 2023. It's possible that Elizabeth DeLong could refer to a private individual, a lesser-known author, academic, or professional in a specific field not widely covered in notable sources.

Enid Charles was a British author known for her contributions to children's literature. While specific information about her life and works may be limited, she is recognized for several publications, including novels and stories aimed at young readers.

Ethel Newbold is not widely known in popular culture or historical records, so it's difficult to provide specific information without additional context. It is possible that Ethel Newbold could refer to a private individual, a lesser-known figure, or perhaps a character in a work of fiction.

Gael M. Martin is a professor and researcher known for his work in the field of education and the study of literacy. He has contributed to various academic publications, particularly focusing on the teaching and learning of literacy in contemporary educational settings. If you have a specific aspect of Gael M.

Hilary Parker is a data scientist and author known for her work in data analysis and her contributions to the field of data science. She is particularly recognized for her role as a senior data scientist at Stitch Fix, an online personal styling service. Parker is also known for her insights on data visualization, machine learning, and the intersection of data science and business strategy.

Inge Koch is a notable statistician known for her contributions to the field of statistics, particularly in the areas of data analysis, experimental design, and statistical modeling. She may have published research papers, contributed to academic literature, and engaged in teaching and mentorship within the statistical community.