Nob Yoshigahara

{{Short description|Japanese puzzler (1936–2004)}}

{{Infobox person

| name = Nobuyuki Yoshigahara

| image = Nobuyuki_Yoshigahara_at_CG_2000_nov2.jpg

| caption = Yoshigahara in 2000

| native_name = {{nobold|芦ヶ原 伸之}}

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| birth_date = {{Birth date|1936|05|27}}

| birth_place = Japan

| death_date = {{death date and age|2004|06|19|1936|05|27}}

| death_place = Japan

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| native_name_lang = ja

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| known_for = Metagrobology, puzzle collector, author

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}}

Nobuyuki Yoshigahara ({{lang|ja|芦ヶ原 伸之|italic=no}} Yoshigahara Nobuyuki, commonly known as "Nob"; May 27, 1936 – June 19, 2004) was a Japanese inventor, collector, solver, and communicator of puzzles.[https://www.mathpuzzle.com/MAA/22-Nob%20Yoshigahara/mathgames_06_28_04.html Math Games: Nob Yoshigahara] by Ed Pegg Jr, Mathematical Association of America, June 28, 2004{{Cite book |last=Cipra |first=B.A. |title=Tribute to a Mathemagician |last2=Demaine |first2=E.D. |last3=Demaine |first3=M.L. |last4=Rodgers |first4=T.M. |publisher=A K Peters |year=2005 |isbn=1568812043}}