B. Nasution
https://www.datadikti.com/dosen/budiman-nasution/s1-fisika/universitas-negeri-medan/

Departement of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan, 20221, Indonesia
Indonesia

Budiman Nasution is an academician with academic degrees M.Si and S.Pd in the Physics - S1 Program at Universitas Negeri Medan. He was born in Mandailing Natal and is male. Currently, he serves as an Assistant Lecturer with a highest educational background of S2.

This lecturer initiated his educational journey at Universitas Graha Nusantara, obtaining an S.Pd degree in 2011. Subsequently, he pursued further education at the Bandung Institute of Technology and successfully obtained an M.Si degree in 2016.

Budiman Nasution has been actively engaged in the field of education as a permanent lecturer at Universitas Negeri Medan, maintaining a consistently active status. His academic education and experiences highlight his dedication to the field of Physics, and his role as an Assistant Lecturer signifies his contribution to the advancement of knowledge in the academic environment.

W. Ritonga
https://www.google.com/search?q=Winsyahputra+ritonga&oq=Winsya&aqs=chrome.0.69i59j69i57j0i512j0i10i131i433i512j5j69i61l2j69i60.2192j0j4&sourceid=chrome&ie=UTF-8#ip=1

Departement of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan, 20221, Indonesia
Indonesia

WinsyahPutra Ritonga, a man actively serving as a permanent lecturer at Universitas Negeri Medan. He obtained his Bachelor of Education degree (S.Pd) from Universitas Negeri Medan in 2005 and continued his higher education, earning a Master of Science degree (M.Si) from Universitas Sumatera Utara in 2013.

As the head lecturer in the field of Physics Education, Winsyah Putra Ritonga has demonstrated commitment and dedication to the development of knowledge and teaching. With his consistently active status, he continues to contribute to the academic world, teaching with enthusiasm, and sharing his knowledge with students.

This robust educational background, coupled with diverse teaching experiences, forms a solid foundation for Winsyah Putra Ritonga to continually grow and make meaningful contributions in the field of education, particularly in Physics Education.

A. Doyan
https://fkip.unram.ac.id/member/prof-drs-aris-doyan-m-si-ph-d/

Master of Science Education, Postgraduate Program, University of Mataram, Indonesia
Indonesia

Prof. Aris Doyan, M.Si., Ph.D, is a distinguished academic figure affiliated with Universitas Mataram. With a specialization in the field of Science Education, he holds the position of Professor. Prof. Doyan has actively contributed to the academic realm, serving as a permanent lecturer.

His academic journey commenced at Universitas Negeri Padang, where he earned his Bachelor's degree (Drs) in 1992. Furthering his education, he pursued a Master's degree (M.Si) at Universitas Gadjah Mada in 1998. The pinnacle of his educational pursuits was marked by the attainment of a Ph.D. from Universiti Putra Malaysia in 2005.

Prof. Aris Doyan's commitment to education is reflected not only in his extensive academic background but also in his ongoing involvement in teaching. Currently holding an active status, he remains dedicated to fostering knowledge and academic excellence. His role as a Professor underscores his expertise and leadership in the realm of Science Education, making a significant impact on both students and the academic community.

P. D. Pandara
https://www.datadikti.com/dosen/dolfie-paulus-pandara/s1-fisika/universitas-sam-ratulangi/9/

Department of Physics, Sam Ratulangi University, Manado, Indonesia
Indonesia

Dolfie Paulus Pandara, an academic with the academic degrees of M.Si and S.Pd, currently serves in the Physics - S1 Study Program at Sam Ratulangi University, which holds a reputable accreditation. He holds the position of Head Lecturer with a functional title and is a Permanent Lecturer with permission for further studies.

Born in Manado, he is male. His educational journey commenced at Manado State University, where he earned a degree in S.Pd in 1997. Subsequently, his academic pursuits led him to Bandung Institute of Technology, where he successfully obtained an M.Si degree in 2000.

As an educator in the Physics - S1 Study Program, Dolfie Paulus Pandara contributes to the development of knowledge and provides insights to students. Further information and his photo can be found on the official website of Sam Ratulangi University.

L. Alfaris

R. C. Siagian
https://www.researchgate.net/profile/Ruben-Siagian

Departement of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan, 20221, Indonesia
Indonesia

Ruben Cornelius Siagian stands as a dedicated physicist and independent researcher, currently associated with mhs.unimed.ac.id. His extensive expertise in physics encompasses a wide range of domains, including General Relativity, Theoretical Physics, Astrophysics, and Cosmology. Noteworthy among his contributions is the paper titled "Termodinamika Lubang Hitam: Hukum Pertama Dan Kedua Serta Persamaan Entropi," published in the Journal of Kumparan Fisika in 2023. Siagian's commitment to advancing scientific understanding is further demonstrated in his exploration of the interconnections among cosmological parameters and observations, as illustrated in the paper "Exploring the Interconnectedness of Cosmological Parameters and Observations: Insights Into The Properties and Evolution of The Universe," published in SPEKTRA: Jurnal Fisika dan Aplikasinya in the same year.

His research portfolio spans a broad spectrum, delving into the study of the speed of light in space-time, the orbital properties of black holes, statistical data retrieval techniques in astronomy computational physics, and the visualization of Schwarzschild black holes. Siagian's work reflects a profound engagement with foundational principles, exemplified in the paper "Basic Mechanics of Lagrange and Hamilton as Reference for STEM Students."

Beyond his contributions to theoretical physics, Siagian actively participates in educational pursuits, authoring works on the philosophy of physics and basic astronomy. He emphasizes the significance of innovative teaching methods in the 21st century. Siagian's dedication to interdisciplinary research is evident in collaborations extending to biomechanics, kinesiology, and sports science, as exemplified in the paper "Pembinaan Olahraga Tenis Lapangan Melalui Aspek Biomekanik Dan Kinesiologi." Furthermore, his impact extends beyond academia, addressing societal issues in the paper "Peran Mahasiswa Dalam Mengurangi Dan Meniadakan Kasus Begal Di Kota Medan: Pendekatan Teori Struktural-Fungsional." This underscores his awareness of the role of science in addressing real-world challenges.

Siagian's research output showcases a comprehensive and multidisciplinary approach, emphasizing the interconnectedness of scientific knowledge across various domains. His commitment to advancing understanding and addressing societal challenges underscores his role as a dynamic and impactful researcher in the field of physics.