Marvin Greenberg is a prominent mathematician known for his contributions to various fields within mathematics, particularly in the areas of geometry and topology. He has also been involved in mathematical education and has authored several books and papers. One of his notable works is in the development of techniques used in the study of geometric topology, including the study of manifolds and their properties.

Martin Scharlemann is an American mathematician known for his work in topology, particularly in the areas of low-dimensional topology and knot theory. He has made significant contributions to the understanding of 3-manifolds and has worked on various aspects related to Heegaard splittings and the topology of surfaces.

Marston Morse refers to a mathematical concept related to Morse theory, which was developed by the American mathematician Marston Morse in the early 20th century. Morse theory is a branch of differential topology that studies the topology of manifolds using smooth real-valued functions defined on them, known as Morse functions. A Morse function is a smooth function where its critical points (points where the gradient is zero) have distinct non-degenerate critical values.

Mark Mahowald was an American mathematician known for his work in algebraic topology, particularly in the field of stable homotopy theory. He made significant contributions to the study of stable homotopy groups of spheres and was involved in various aspects of mathematical research and teaching. Mahowald was also recognized for his collaborative efforts and influence in the mathematical community. He passed away in 2021.

Mark Goresky is a mathematical scientist known for his contributions to the fields of topology, geometry, and applied mathematics. He has worked on various topics, including differential topology and the study of Morse theory. Goresky is also recognized for his work in the development of tools and theories applicable to both pure and applied mathematics.

Marcos Dajczer is an Argentine mathematician known for his work in the fields of differential geometry and geometric analysis. His research often involves topics like minimal surfaces, geometric variational problems, and the study of curvature in different geometric contexts.

Marc Lackenby is a mathematician known for his work in the field of topology and low-dimensional topology, particularly in relation to knot theory and 3-manifolds. He has contributed to the study of invariants of knots and links, and his research often explores the connections between algebraic structures and topological properties.

Marc Culler is a mathematician known for his work in the field of topology, particularly in the study of 3-manifolds and the mathematical implications of certain geometric structures. He may be involved in various mathematical research areas, including aspects of algebraic topology and geometric topology.

Magnhild Lien is a Norwegian politician and a member of the Labour Party (Arbeiderpartiet). She has been involved in various political roles, including serving as a member of the Norwegian Parliament. Lien has focused on issues such as social justice, economic policy, and workers' rights during her political career.

M. K. Fort Jr. is a name that may not be widely recognized in major historical or cultural contexts, and without additional context, it is difficult to provide specific information. It is possible that M. K. Fort Jr. could refer to a person, an organization, or something else entirely. If you have a specific context or field in mind (e.g., literature, science, history, etc.

Lê Dũng Tráng is an individual known for being a prominent Vietnamese entrepreneur and influential figure in the technology sector, particularly in fields related to software development and internet services. He has made significant contributions to the growth of various tech startups in Vietnam. However, there may be numerous people with similar names, and the context is essential to provide a specific answer.

Louis Kauffman is an American mathematician and a prominent figure in the fields of topology and knot theory. He is particularly known for his work on the mathematical underpinnings of knots and links, as well as for developing the concept of "Kauffman polynomials," which are important in knot theory. Kauffman's contributions extend into areas like algebraic topology and quantum topology. He has also engaged with mathematical visualization, promoting a deeper understanding of complex mathematical concepts through diagrams and physical representations.

Ljubisa D.R. Kocinac appears to be a relatively obscure or less publicly-known figure, and there is limited information readily available about him. If you have specific details or context regarding who he is or his relevance in a certain field (such as academics, art, business, etc.

Lisa Piccirillo is a mathematician known for her work in the field of topology, specifically in the study of knot theory. She gained significant attention for her research on the Conway knot, where she provided a proof that it is not slice. This was a notable contribution to the field and demonstrated her abilities in addressing complex problems related to knots and their properties. Piccirillo is also recognized for her work in promoting mathematics and encouraging diversity within the field.

Leopold Vietoris (1891–2002) was an Austrian mathematician renowned for his contributions to topology and algebraic topology. One of his notable achievements is the Vietoris topology, which he developed in the context of the study of topological spaces. This topology is significant in the fields of general topology and the foundations of algebraic topology.

Leonard Gillman is not a widely recognized figure or term as of my last knowledge update in October 2023.

Lazar Lyusternik (sometimes spelled Lyusternik) was a prominent Soviet mathematician known for his work in various areas of mathematics, particularly in topology and functional analysis. He is perhaps best known for his contributions to the field of variational methods and nonsmooth analysis, as well as for the Lyusternik-Schnirelmann theory in topology, which relates to critical points of functional and their applications to geometry and algebra.

Laurent C. Siebenmann is a mathematician primarily known for his contributions to topology and related fields. While information about individual mathematicians may not always be extensively documented, Siebenmann is particularly recognized for his work in areas such as differential topology and homotopy theory. He has also been involved in the study of manifolds, which are essential objects of study in topology.

L. Christine Kinsey does not appear to be a widely recognized public figure or concept within the general knowledge up to my last training cut-off in October 2023. It's possible that she might be an author, a professional in a specific field, or a lesser-known individual.

Kurt Reidemeister was a German mathematician known for his contributions to knot theory and topology. He lived from 1882 to 1971. Reidemeister is particularly famous for introducing the Reidemeister moves, which are a set of three simple manipulations that can be performed on knot diagrams. These moves are fundamental in the study of equivalence of knots and links, as they provide a way to determine whether two knot diagrams represent the same knot.